added an additional newline for MUAs that require a double line break between multipart headers and the ignored MIME message area
http://codeigniter.com/bug_tracker/bug/6681/
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index 99a5ea3..7539fe5 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -1010,7 +1010,7 @@
}
else
{
- $hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline;
+ $hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline . $this->newline;
$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
$hdr .= "--" . $this->_alt_boundary . $this->newline;
@@ -1051,7 +1051,7 @@
break;
case 'plain-attach' :
- $hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline;
+ $hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;
$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
$hdr .= "--" . $this->_atc_boundary . $this->newline;
@@ -1071,7 +1071,7 @@
break;
case 'html-attach' :
- $hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline;
+ $hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;
$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
$hdr .= "--" . $this->_atc_boundary . $this->newline;
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 504d2b4..1992ebb 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -70,6 +70,7 @@
<li>Added more accurate error reporting for the Email library when using sendmail.</li>
<li>Removed a strict type check from the <kbd>rotate()</kbd> function of the <a href="libraries/image_lib.html">Image Manipulation Class</a>.</li>
<li>Added enhanced error checking in file saving in the Image library when using the GD lib.</li>
+ <li>Added an additional newline between multipart email headers and the MIME message text for better compatibility with a variety of MUAs.</li>
</ul>
</li>
<li>Database