diff --git a/user_guide/libraries/email.html b/user_guide/libraries/email.html
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+++ b/user_guide/libraries/email.html
@@ -0,0 +1,1218 @@
+
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
+<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  
+  <title>Email Class &mdash; CodeIgniter 3.1.10 documentation</title>
+  
+
+  
+  
+    <link rel="shortcut icon" href="../_static/ci-icon.ico"/>
+  
+
+  
+  <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'>
+
+  
+  
+    
+
+  
+
+  
+  
+    <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" />
+  
+
+  
+        <link rel="index" title="Index"
+              href="../genindex.html"/>
+        <link rel="search" title="Search" href="../search.html"/>
+    <link rel="top" title="CodeIgniter 3.1.10 documentation" href="../index.html"/>
+        <link rel="up" title="Libraries" href="index.html"/>
+        <link rel="next" title="Encrypt Class" href="encrypt.html"/>
+        <link rel="prev" title="Config Class" href="config.html"/> 
+
+  
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
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+<li class="toctree-l2"><a class="reference internal" href="../installation/troubleshooting.html">Troubleshooting</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
+</ul>
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+<li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
+</ul>
+</li>
+</ul>
+<ul class="current">
+<li class="toctree-l1 current"><a class="reference internal" href="index.html">Libraries</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="benchmark.html">Benchmarking Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching Driver</a></li>
+<li class="toctree-l2"><a class="reference internal" href="calendar.html">Calendaring Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="cart.html">Shopping Cart Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="config.html">Config Class</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Email Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="encrypt.html">Encrypt Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="encryption.html">Encryption Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="file_uploading.html">File Uploading Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="form_validation.html">Form Validation</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ftp.html">FTP Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="image_lib.html">Image Manipulation Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="input.html">Input Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="javascript.html">Javascript Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="language.html">Language Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="loader.html">Loader Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="migration.html">Migrations Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="output.html">Output Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="pagination.html">Pagination Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="parser.html">Template Parser Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="security.html">Security Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="sessions.html">Session Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="table.html">HTML Table Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="trackback.html">Trackback Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="typography.html">Typography Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="unit_testing.html">Unit Testing Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="uri.html">URI Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="user_agent.html">User Agent Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="zip.html">Zip Encoding Class</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../tutorial/news_section.html">News section</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer’s Certificate of Origin 1.1</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
+</ul>
+</li>
+</ul>
+<ul class="current">
+<li class="toctree-l1 current"><a class="reference internal" href="index.html">Libraries</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="benchmark.html">Benchmarking Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="caching.html">Caching Driver</a></li>
+<li class="toctree-l2"><a class="reference internal" href="calendar.html">Calendaring Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="cart.html">Shopping Cart Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="config.html">Config Class</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Email Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="encrypt.html">Encrypt Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="encryption.html">Encryption Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="file_uploading.html">File Uploading Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="form_validation.html">Form Validation</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ftp.html">FTP Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="image_lib.html">Image Manipulation Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="input.html">Input Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="javascript.html">Javascript Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="language.html">Language Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="loader.html">Loader Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="migration.html">Migrations Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="output.html">Output Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="pagination.html">Pagination Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="parser.html">Template Parser Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="security.html">Security Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="sessions.html">Session Library</a></li>
+<li class="toctree-l2"><a class="reference internal" href="table.html">HTML Table Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="trackback.html">Trackback Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="typography.html">Typography Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="unit_testing.html">Unit Testing Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="uri.html">URI Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="user_agent.html">User Agent Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
+<li class="toctree-l2"><a class="reference internal" href="zip.html">Zip Encoding Class</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../database/index.html">Database Reference</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../database/examples.html">Quick Start: Usage Examples</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/configuration.html">Database Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/connecting.html">Connecting to a Database</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/queries.html">Running Queries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/results.html">Generating Query Results</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/helpers.html">Query Helper Functions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/query_builder.html">Query Builder Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/transactions.html">Transactions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/metadata.html">Getting MetaData</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/call_function.html">Custom Function Calls</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/caching.html">Query Caching</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/forge.html">Database Manipulation with Database Forge</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/utilities.html">Database Utilities Class</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../database/db_driver_reference.html">Database Driver Reference</a></li>
+</ul>
+</li>
+</ul>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
+</ul>
+</li>
+</ul>
+
+          
+        
+      </div>
+      &nbsp;
+    </nav>
+
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
+
+      
+      <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
+        <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
+        <a href="../index.html">CodeIgniter</a>
+      </nav>
+
+
+      
+      <div class="wy-nav-content">
+        <div class="rst-content">
+          <div role="navigation" aria-label="breadcrumbs navigation">
+  <ul class="wy-breadcrumbs">
+    <li><a href="../index.html">Docs</a> &raquo;</li>
+      
+        <li><a href="index.html">Libraries</a> &raquo;</li>
+      
+    <li>Email Class</li>
+    <li class="wy-breadcrumbs-aside">
+      
+    </li>
+    <div style="float:right;margin-left:5px;" id="closeMe">
+      <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" />
+    </div>
+  </ul>
+  <hr/>
+</div>
+          <div role="main" class="document">
+            
+  <div class="section" id="email-class">
+<h1>Email Class<a class="headerlink" href="#email-class" title="Permalink to this headline">¶</a></h1>
+<p>CodeIgniter’s robust Email Class supports the following features:</p>
+<ul class="simple">
+<li>Multiple Protocols: Mail, Sendmail, and SMTP</li>
+<li>TLS and SSL Encryption for SMTP</li>
+<li>Multiple recipients</li>
+<li>CC and BCCs</li>
+<li>HTML or Plaintext email</li>
+<li>Attachments</li>
+<li>Word wrapping</li>
+<li>Priorities</li>
+<li>BCC Batch Mode, enabling large email lists to be broken into small
+BCC batches.</li>
+<li>Email Debugging tools</li>
+</ul>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#using-the-email-library" id="id1">Using the Email Library</a><ul>
+<li><a class="reference internal" href="#sending-email" id="id2">Sending Email</a></li>
+<li><a class="reference internal" href="#setting-email-preferences" id="id3">Setting Email Preferences</a><ul>
+<li><a class="reference internal" href="#setting-email-preferences-in-a-config-file" id="id4">Setting Email Preferences in a Config File</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#email-preferences" id="id5">Email Preferences</a></li>
+<li><a class="reference internal" href="#overriding-word-wrapping" id="id6">Overriding Word Wrapping</a></li>
+</ul>
+</li>
+<li><a class="reference internal" href="#class-reference" id="id7">Class Reference</a></li>
+</ul>
+</div>
+<div class="custom-index container"></div><div class="section" id="using-the-email-library">
+<h2><a class="toc-backref" href="#id1">Using the Email Library</a><a class="headerlink" href="#using-the-email-library" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="sending-email">
+<h3><a class="toc-backref" href="#id2">Sending Email</a><a class="headerlink" href="#sending-email" title="Permalink to this headline">¶</a></h3>
+<p>Sending email is not only simple, but you can configure it on the fly or
+set your preferences in a config file.</p>
+<p>Here is a basic example demonstrating how you might send email. Note:
+This example assumes you are sending the email from one of your
+<a class="reference internal" href="../general/controllers.html"><span class="doc">controllers</span></a>.</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">library</span><span class="p">(</span><span class="s1">&#39;email&#39;</span><span class="p">);</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">from</span><span class="p">(</span><span class="s1">&#39;your@example.com&#39;</span><span class="p">,</span> <span class="s1">&#39;Your Name&#39;</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">to</span><span class="p">(</span><span class="s1">&#39;someone@example.com&#39;</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">cc</span><span class="p">(</span><span class="s1">&#39;another@another-example.com&#39;</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">bcc</span><span class="p">(</span><span class="s1">&#39;them@their-example.com&#39;</span><span class="p">);</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">subject</span><span class="p">(</span><span class="s1">&#39;Email Test&#39;</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">message</span><span class="p">(</span><span class="s1">&#39;Testing the email class.&#39;</span><span class="p">);</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">send</span><span class="p">();</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="setting-email-preferences">
+<h3><a class="toc-backref" href="#id3">Setting Email Preferences</a><a class="headerlink" href="#setting-email-preferences" title="Permalink to this headline">¶</a></h3>
+<p>There are 21 different preferences available to tailor how your email
+messages are sent. You can either set them manually as described here,
+or automatically via preferences stored in your config file, described
+below:</p>
+<p>Preferences are set by passing an array of preference values to the
+email initialize method. Here is an example of how you might set some
+preferences:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;protocol&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;sendmail&#39;</span><span class="p">;</span>
+<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;mailpath&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;/usr/sbin/sendmail&#39;</span><span class="p">;</span>
+<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;charset&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;iso-8859-1&#39;</span><span class="p">;</span>
+<span class="nv">$config</span><span class="p">[</span><span class="s1">&#39;wordwrap&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">TRUE</span><span class="p">;</span>
+
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">initialize</span><span class="p">(</span><span class="nv">$config</span><span class="p">);</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">Most of the preferences have default values that will be used
+if you do not set them.</p>
+</div>
+<div class="section" id="setting-email-preferences-in-a-config-file">
+<h4><a class="toc-backref" href="#id4">Setting Email Preferences in a Config File</a><a class="headerlink" href="#setting-email-preferences-in-a-config-file" title="Permalink to this headline">¶</a></h4>
+<p>If you prefer not to set preferences using the above method, you can
+instead put them into a config file. Simply create a new file called the
+email.php, add the $config array in that file. Then save the file at
+config/email.php and it will be used automatically. You will NOT need to
+use the <code class="docutils literal"><span class="pre">$this-&gt;email-&gt;initialize()</span></code> method if you save your
+preferences in a config file.</p>
+</div>
+</div>
+<div class="section" id="email-preferences">
+<h3><a class="toc-backref" href="#id5">Email Preferences</a><a class="headerlink" href="#email-preferences" title="Permalink to this headline">¶</a></h3>
+<p>The following is a list of all the preferences that can be set when
+sending email.</p>
+<table border="1" class="docutils">
+<colgroup>
+<col width="14%" />
+<col width="16%" />
+<col width="20%" />
+<col width="51%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">Preference</th>
+<th class="head">Default Value</th>
+<th class="head">Options</th>
+<th class="head">Description</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td><strong>useragent</strong></td>
+<td>CodeIgniter</td>
+<td>None</td>
+<td>The “user agent”.</td>
+</tr>
+<tr class="row-odd"><td><strong>protocol</strong></td>
+<td>mail</td>
+<td>mail, sendmail, or smtp</td>
+<td>The mail sending protocol.</td>
+</tr>
+<tr class="row-even"><td><strong>mailpath</strong></td>
+<td>/usr/sbin/sendmail</td>
+<td>None</td>
+<td>The server path to Sendmail.</td>
+</tr>
+<tr class="row-odd"><td><strong>smtp_host</strong></td>
+<td>No Default</td>
+<td>None</td>
+<td>SMTP Server Address.</td>
+</tr>
+<tr class="row-even"><td><strong>smtp_user</strong></td>
+<td>No Default</td>
+<td>None</td>
+<td>SMTP Username.</td>
+</tr>
+<tr class="row-odd"><td><strong>smtp_pass</strong></td>
+<td>No Default</td>
+<td>None</td>
+<td>SMTP Password.</td>
+</tr>
+<tr class="row-even"><td><strong>smtp_port</strong></td>
+<td>25</td>
+<td>None</td>
+<td>SMTP Port.</td>
+</tr>
+<tr class="row-odd"><td><strong>smtp_timeout</strong></td>
+<td>5</td>
+<td>None</td>
+<td>SMTP Timeout (in seconds).</td>
+</tr>
+<tr class="row-even"><td><strong>smtp_keepalive</strong></td>
+<td>FALSE</td>
+<td>TRUE or FALSE (boolean)</td>
+<td>Enable persistent SMTP connections.</td>
+</tr>
+<tr class="row-odd"><td><strong>smtp_crypto</strong></td>
+<td>No Default</td>
+<td>tls or ssl</td>
+<td>SMTP Encryption</td>
+</tr>
+<tr class="row-even"><td><strong>wordwrap</strong></td>
+<td>TRUE</td>
+<td>TRUE or FALSE (boolean)</td>
+<td>Enable word-wrap.</td>
+</tr>
+<tr class="row-odd"><td><strong>wrapchars</strong></td>
+<td>76</td>
+<td>&#160;</td>
+<td>Character count to wrap at.</td>
+</tr>
+<tr class="row-even"><td><strong>mailtype</strong></td>
+<td>text</td>
+<td>text or html</td>
+<td>Type of mail. If you send HTML email you must send it as a complete web
+page. Make sure you don’t have any relative links or relative image
+paths otherwise they will not work.</td>
+</tr>
+<tr class="row-odd"><td><strong>charset</strong></td>
+<td><code class="docutils literal"><span class="pre">$config['charset']</span></code></td>
+<td>&#160;</td>
+<td>Character set (utf-8, iso-8859-1, etc.).</td>
+</tr>
+<tr class="row-even"><td><strong>validate</strong></td>
+<td>FALSE</td>
+<td>TRUE or FALSE (boolean)</td>
+<td>Whether to validate the email address.</td>
+</tr>
+<tr class="row-odd"><td><strong>priority</strong></td>
+<td>3</td>
+<td>1, 2, 3, 4, 5</td>
+<td>Email Priority. 1 = highest. 5 = lowest. 3 = normal.</td>
+</tr>
+<tr class="row-even"><td><strong>crlf</strong></td>
+<td>\n</td>
+<td>“\r\n” or “\n” or “\r”</td>
+<td>Newline character. (Use “\r\n” to comply with RFC 822).</td>
+</tr>
+<tr class="row-odd"><td><strong>newline</strong></td>
+<td>\n</td>
+<td>“\r\n” or “\n” or “\r”</td>
+<td>Newline character. (Use “\r\n” to comply with RFC 822).</td>
+</tr>
+<tr class="row-even"><td><strong>bcc_batch_mode</strong></td>
+<td>FALSE</td>
+<td>TRUE or FALSE (boolean)</td>
+<td>Enable BCC Batch Mode.</td>
+</tr>
+<tr class="row-odd"><td><strong>bcc_batch_size</strong></td>
+<td>200</td>
+<td>None</td>
+<td>Number of emails in each BCC batch.</td>
+</tr>
+<tr class="row-even"><td><strong>dsn</strong></td>
+<td>FALSE</td>
+<td>TRUE or FALSE (boolean)</td>
+<td>Enable notify message from server</td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="section" id="overriding-word-wrapping">
+<h3><a class="toc-backref" href="#id6">Overriding Word Wrapping</a><a class="headerlink" href="#overriding-word-wrapping" title="Permalink to this headline">¶</a></h3>
+<p>If you have word wrapping enabled (recommended to comply with RFC 822)
+and you have a very long link in your email it can get wrapped too,
+causing it to become un-clickable by the person receiving it.
+CodeIgniter lets you manually override word wrapping within part of your
+message like this:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nx">The</span> <span class="nx">text</span> <span class="nx">of</span> <span class="nx">your</span> <span class="nx">email</span> <span class="nx">that</span>
+<span class="nx">gets</span> <span class="nx">wrapped</span> <span class="nx">normally</span><span class="o">.</span>
+
+<span class="p">{</span><span class="nx">unwrap</span><span class="p">}</span><span class="nx">http</span><span class="o">://</span><span class="nx">example</span><span class="o">.</span><span class="nx">com</span><span class="o">/</span><span class="nx">a_long_link_that_should_not_be_wrapped</span><span class="o">.</span><span class="nx">html</span><span class="p">{</span><span class="o">/</span><span class="nx">unwrap</span><span class="p">}</span>
+
+<span class="nx">More</span> <span class="nx">text</span> <span class="nx">that</span> <span class="nx">will</span> <span class="nx">be</span>
+<span class="nx">wrapped</span> <span class="nx">normally</span><span class="o">.</span>
+</pre></div>
+</div>
+<p>Place the item you do not want word-wrapped between: {unwrap} {/unwrap}</p>
+</div>
+</div>
+<div class="section" id="class-reference">
+<h2><a class="toc-backref" href="#id7">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2>
+<dl class="class">
+<dt id="CI_Email">
+<em class="property">class </em><code class="descname">CI_Email</code><a class="headerlink" href="#CI_Email" title="Permalink to this definition">¶</a></dt>
+<dd><dl class="method">
+<dt id="CI_Email::from">
+<code class="descname">from</code><span class="sig-paren">(</span><em>$from</em><span class="optional">[</span>, <em>$name = ''</em><span class="optional">[</span>, <em>$return_path = NULL</em><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::from" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$from</strong> (<em>string</em>) – “From” e-mail address</li>
+<li><strong>$name</strong> (<em>string</em>) – “From” display name</li>
+<li><strong>$return_path</strong> (<em>string</em>) – Optional email address to redirect undelivered e-mail to</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets the email address and name of the person sending the email:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">from</span><span class="p">(</span><span class="s1">&#39;you@example.com&#39;</span><span class="p">,</span> <span class="s1">&#39;Your Name&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>You can also set a Return-Path, to help redirect undelivered mail:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">from</span><span class="p">(</span><span class="s1">&#39;you@example.com&#39;</span><span class="p">,</span> <span class="s1">&#39;Your Name&#39;</span><span class="p">,</span> <span class="s1">&#39;returned_emails@example.com&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">Return-Path can’t be used if you’ve configured ‘smtp’ as
+your protocol.</p>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::reply_to">
+<code class="descname">reply_to</code><span class="sig-paren">(</span><em>$replyto</em><span class="optional">[</span>, <em>$name = ''</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::reply_to" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$replyto</strong> (<em>string</em>) – E-mail address for replies</li>
+<li><strong>$name</strong> (<em>string</em>) – Display name for the reply-to e-mail address</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets the reply-to address. If the information is not provided the
+information in the :meth:from method is used. Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">reply_to</span><span class="p">(</span><span class="s1">&#39;you@example.com&#39;</span><span class="p">,</span> <span class="s1">&#39;Your Name&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::to">
+<code class="descname">to</code><span class="sig-paren">(</span><em>$to</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::to" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$to</strong> (<em>mixed</em>) – Comma-delimited string or an array of e-mail addresses</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets the email address(s) of the recipient(s). Can be a single e-mail,
+a comma-delimited list or an array:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">to</span><span class="p">(</span><span class="s1">&#39;someone@example.com&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">to</span><span class="p">(</span><span class="s1">&#39;one@example.com, two@example.com, three@example.com&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">to</span><span class="p">(</span>
+        <span class="k">array</span><span class="p">(</span><span class="s1">&#39;one@example.com&#39;</span><span class="p">,</span> <span class="s1">&#39;two@example.com&#39;</span><span class="p">,</span> <span class="s1">&#39;three@example.com&#39;</span><span class="p">)</span>
+<span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::cc">
+<code class="descname">cc</code><span class="sig-paren">(</span><em>$cc</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::cc" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$cc</strong> (<em>mixed</em>) – Comma-delimited string or an array of e-mail addresses</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets the CC email address(s). Just like the “to”, can be a single e-mail,
+a comma-delimited list or an array.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::bcc">
+<code class="descname">bcc</code><span class="sig-paren">(</span><em>$bcc</em><span class="optional">[</span>, <em>$limit = ''</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::bcc" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$bcc</strong> (<em>mixed</em>) – Comma-delimited string or an array of e-mail addresses</li>
+<li><strong>$limit</strong> (<em>int</em>) – Maximum number of e-mails to send per batch</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets the BCC email address(s). Just like the <code class="docutils literal"><span class="pre">to()</span></code> method, can be a single
+e-mail, a comma-delimited list or an array.</p>
+<p>If <code class="docutils literal"><span class="pre">$limit</span></code> is set, “batch mode” will be enabled, which will send
+the emails to batches, with each batch not exceeding the specified
+<code class="docutils literal"><span class="pre">$limit</span></code>.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::subject">
+<code class="descname">subject</code><span class="sig-paren">(</span><em>$subject</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::subject" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$subject</strong> (<em>string</em>) – E-mail subject line</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets the email subject:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">subject</span><span class="p">(</span><span class="s1">&#39;This is my subject&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::message">
+<code class="descname">message</code><span class="sig-paren">(</span><em>$body</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::message" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$body</strong> (<em>string</em>) – E-mail message body</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets the e-mail message body:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">message</span><span class="p">(</span><span class="s1">&#39;This is my message&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::set_alt_message">
+<code class="descname">set_alt_message</code><span class="sig-paren">(</span><em>$str</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::set_alt_message" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$str</strong> (<em>string</em>) – Alternative e-mail message body</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets the alternative e-mail message body:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">set_alt_message</span><span class="p">(</span><span class="s1">&#39;This is the alternative message&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>This is an optional message string which can be used if you send
+HTML formatted email. It lets you specify an alternative message
+with no HTML formatting which is added to the header string for
+people who do not accept HTML email. If you do not set your own
+message CodeIgniter will extract the message from your HTML email
+and strip the tags.</p>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::set_header">
+<code class="descname">set_header</code><span class="sig-paren">(</span><em>$header</em>, <em>$value</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::set_header" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$header</strong> (<em>string</em>) – Header name</li>
+<li><strong>$value</strong> (<em>string</em>) – Header value</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Appends additional headers to the e-mail:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">set_header</span><span class="p">(</span><span class="s1">&#39;Header1&#39;</span><span class="p">,</span> <span class="s1">&#39;Value1&#39;</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">set_header</span><span class="p">(</span><span class="s1">&#39;Header2&#39;</span><span class="p">,</span> <span class="s1">&#39;Value2&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::clear">
+<code class="descname">clear</code><span class="sig-paren">(</span><span class="optional">[</span><em>$clear_attachments = FALSE</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::clear" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$clear_attachments</strong> (<em>bool</em>) – Whether or not to clear attachments</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Initializes all the email variables to an empty state. This method
+is intended for use if you run the email sending method in a loop,
+permitting the data to be reset between cycles.</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">foreach</span> <span class="p">(</span><span class="nv">$list</span> <span class="k">as</span> <span class="nv">$name</span> <span class="o">=&gt;</span> <span class="nv">$address</span><span class="p">)</span>
+<span class="p">{</span>
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">clear</span><span class="p">();</span>
+
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">to</span><span class="p">(</span><span class="nv">$address</span><span class="p">);</span>
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">from</span><span class="p">(</span><span class="s1">&#39;your@example.com&#39;</span><span class="p">);</span>
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">subject</span><span class="p">(</span><span class="s1">&#39;Here is your info &#39;</span><span class="o">.</span><span class="nv">$name</span><span class="p">);</span>
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">message</span><span class="p">(</span><span class="s1">&#39;Hi &#39;</span><span class="o">.</span><span class="nv">$name</span><span class="o">.</span><span class="s1">&#39; Here is the info you requested.&#39;</span><span class="p">);</span>
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">send</span><span class="p">();</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>If you set the parameter to TRUE any attachments will be cleared as
+well:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">clear</span><span class="p">(</span><span class="k">TRUE</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::send">
+<code class="descname">send</code><span class="sig-paren">(</span><span class="optional">[</span><em>$auto_clear = TRUE</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::send" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$auto_clear</strong> (<em>bool</em>) – Whether to clear message data automatically</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE on success, FALSE on failure</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>The e-mail sending method. Returns boolean TRUE or FALSE based on
+success or failure, enabling it to be used conditionally:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span> <span class="o">!</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">send</span><span class="p">())</span>
+<span class="p">{</span>
+        <span class="c1">// Generate error</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<p>This method will automatically clear all parameters if the request was
+successful. To stop this behaviour pass FALSE:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">send</span><span class="p">(</span><span class="k">FALSE</span><span class="p">))</span>
+<span class="p">{</span>
+        <span class="c1">// Parameters won&#39;t be cleared</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">In order to use the <code class="docutils literal"><span class="pre">print_debugger()</span></code> method, you need
+to avoid clearing the email parameters.</p>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::attach">
+<code class="descname">attach</code><span class="sig-paren">(</span><em>$filename</em><span class="optional">[</span>, <em>$disposition = ''</em><span class="optional">[</span>, <em>$newname = NULL</em><span class="optional">[</span>, <em>$mime = ''</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::attach" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$filename</strong> (<em>string</em>) – File name</li>
+<li><strong>$disposition</strong> (<em>string</em>) – ‘disposition’ of the attachment. Most
+email clients make their own decision regardless of the MIME
+specification used here. <a class="reference external" href="https://www.iana.org/assignments/cont-disp/cont-disp.xhtml">https://www.iana.org/assignments/cont-disp/cont-disp.xhtml</a></li>
+<li><strong>$newname</strong> (<em>string</em>) – Custom file name to use in the e-mail</li>
+<li><strong>$mime</strong> (<em>string</em>) – MIME type to use (useful for buffered data)</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">CI_Email instance (method chaining)</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">CI_Email</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Enables you to send an attachment. Put the file path/name in the first
+parameter. For multiple attachments use the method multiple times.
+For example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attach</span><span class="p">(</span><span class="s1">&#39;/path/to/photo1.jpg&#39;</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attach</span><span class="p">(</span><span class="s1">&#39;/path/to/photo2.jpg&#39;</span><span class="p">);</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attach</span><span class="p">(</span><span class="s1">&#39;/path/to/photo3.jpg&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>To use the default disposition (attachment), leave the second parameter blank,
+otherwise use a custom disposition:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attach</span><span class="p">(</span><span class="s1">&#39;image.jpg&#39;</span><span class="p">,</span> <span class="s1">&#39;inline&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>You can also use a URL:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attach</span><span class="p">(</span><span class="s1">&#39;http://example.com/filename.pdf&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>If you’d like to use a custom file name, you can use the third parameter:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attach</span><span class="p">(</span><span class="s1">&#39;filename.pdf&#39;</span><span class="p">,</span> <span class="s1">&#39;attachment&#39;</span><span class="p">,</span> <span class="s1">&#39;report.pdf&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>If you need to use a buffer string instead of a real - physical - file you can
+use the first parameter as buffer, the third parameter as file name and the fourth
+parameter as mime-type:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attach</span><span class="p">(</span><span class="nv">$buffer</span><span class="p">,</span> <span class="s1">&#39;attachment&#39;</span><span class="p">,</span> <span class="s1">&#39;report.pdf&#39;</span><span class="p">,</span> <span class="s1">&#39;application/pdf&#39;</span><span class="p">);</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::attachment_cid">
+<code class="descname">attachment_cid</code><span class="sig-paren">(</span><em>$filename</em><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::attachment_cid" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$filename</strong> (<em>string</em>) – Existing attachment filename</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Attachment Content-ID or FALSE if not found</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Sets and returns an attachment’s Content-ID, which enables your to embed an inline
+(picture) attachment into HTML. First parameter must be the already attached file name.</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$filename</span> <span class="o">=</span> <span class="s1">&#39;/img/photo1.jpg&#39;</span><span class="p">;</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attach</span><span class="p">(</span><span class="nv">$filename</span><span class="p">);</span>
+<span class="k">foreach</span> <span class="p">(</span><span class="nv">$list</span> <span class="k">as</span> <span class="nv">$address</span><span class="p">)</span>
+<span class="p">{</span>
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">to</span><span class="p">(</span><span class="nv">$address</span><span class="p">);</span>
+        <span class="nv">$cid</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">attachment_cid</span><span class="p">(</span><span class="nv">$filename</span><span class="p">);</span>
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">message</span><span class="p">(</span><span class="s1">&#39;&lt;img src=&quot;cid:&#39;</span><span class="o">.</span> <span class="nv">$cid</span> <span class="o">.</span><span class="s1">&#39;&quot; alt=&quot;photo1&quot; /&gt;&#39;</span><span class="p">);</span>
+        <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">send</span><span class="p">();</span>
+<span class="p">}</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">Content-ID for each e-mail must be re-created for it to be unique.</p>
+</div>
+</dd></dl>
+
+<dl class="method">
+<dt id="CI_Email::print_debugger">
+<code class="descname">print_debugger</code><span class="sig-paren">(</span><span class="optional">[</span><em>$include = array('headers'</em>, <em>'subject'</em>, <em>'body')</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#CI_Email::print_debugger" title="Permalink to this definition">¶</a></dt>
+<dd><table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
+<li><strong>$include</strong> (<em>array</em>) – Which parts of the message to print out</li>
+</ul>
+</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Formatted debug data</p>
+</td>
+</tr>
+<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
+</td>
+</tr>
+</tbody>
+</table>
+<p>Returns a string containing any server messages, the email headers, and
+the email message. Useful for debugging.</p>
+<p>You can optionally specify which parts of the message should be printed.
+Valid options are: <strong>headers</strong>, <strong>subject</strong>, <strong>body</strong>.</p>
+<p>Example:</p>
+<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="c1">// You need to pass FALSE while sending in order for the email data</span>
+<span class="c1">// to not be cleared - if that happens, print_debugger() would have</span>
+<span class="c1">// nothing to output.</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">send</span><span class="p">(</span><span class="k">FALSE</span><span class="p">);</span>
+
+<span class="c1">// Will only print the email headers, excluding the message subject and body</span>
+<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">email</span><span class="o">-&gt;</span><span class="na">print_debugger</span><span class="p">(</span><span class="k">array</span><span class="p">(</span><span class="s1">&#39;headers&#39;</span><span class="p">));</span>
+</pre></div>
+</div>
+<div class="admonition note">
+<p class="first admonition-title">Note</p>
+<p class="last">By default, all of the raw data will be printed.</p>
+</div>
+</dd></dl>
+
+</dd></dl>
+
+</div>
+</div>
+
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