format email preferences table
diff --git a/user_guide_src/source/libraries/email.rst b/user_guide_src/source/libraries/email.rst
index 6dd5463..7598992 100644
--- a/user_guide_src/source/libraries/email.rst
+++ b/user_guide_src/source/libraries/email.rst
@@ -80,86 +80,32 @@
The following is a list of all the preferences that can be set when
sending email.
-Preference
-Default Value
-Options
-Description
-**useragent**
-CodeIgniter
-None
-The "user agent".
-**protocol**
-mail
-mail, sendmail, or smtp
-The mail sending protocol.
-**mailpath**
-/usr/sbin/sendmail
-None
-The server path to Sendmail.
-**smtp_host**
-No Default
-None
-SMTP Server Address.
-**smtp_user**
-No Default
-None
-SMTP Username.
-**smtp_pass**
-No Default
-None
-SMTP Password.
-**smtp_port**
-25
-None
-SMTP Port.
-**smtp_timeout**
-5
-None
-SMTP Timeout (in seconds).
-**smtp_crypto**
-No Default
-tls or ssl
-SMTP Encryption
-**wordwrap**
-TRUE
-TRUE or FALSE (boolean)
-Enable word-wrap.
-**wrapchars**
-76
-Character count to wrap at.
-**mailtype**
-text
-text or html
-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.
-**charset**
-utf-8
-Character set (utf-8, iso-8859-1, etc.).
-**validate**
-FALSE
-TRUE or FALSE (boolean)
-Whether to validate the email address.
-**priority**
-3
-1, 2, 3, 4, 5
-Email Priority. 1 = highest. 5 = lowest. 3 = normal.
-**crlf**
-\\n
-"\\r\\n" or "\\n" or "\\r"
-Newline character. (Use "\\r\\n" to comply with RFC 822).
-**newline**
-\\n
-"\\r\\n" or "\\n" or "\\r"
-Newline character. (Use "\\r\\n" to comply with RFC 822).
-**bcc_batch_mode**
-FALSE
-TRUE or FALSE (boolean)
-Enable BCC Batch Mode.
-**bcc_batch_size**
-200
-None
-Number of emails in each BCC batch.
+=================== ====================== ============================ =======================================================================
+Preference Default Value Options Description
+=================== ====================== ============================ =======================================================================
+**useragent** CodeIgniter None The "user agent".
+**protocol** mail mail, sendmail, or smtp The mail sending protocol.
+**mailpath** /usr/sbin/sendmail None The server path to Sendmail.
+**smtp_host** No Default None SMTP Server Address.
+**smtp_user** No Default None SMTP Username.
+**smtp_pass** No Default None SMTP Password.
+**smtp_port** 25 None SMTP Port.
+**smtp_timeout** 5 None SMTP Timeout (in seconds).
+**smtp_crypto** No Default tls or ssl SMTP Encryption
+**wordwrap** TRUE TRUE or FALSE (boolean) Enable word-wrap.
+**wrapchars** 76 Character count to wrap at.
+**mailtype** text text or html 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.
+**charset** utf-8 Character set (utf-8, iso-8859-1, etc.).
+**validate** FALSE TRUE or FALSE (boolean) Whether to validate the email address.
+**priority** 3 1, 2, 3, 4, 5 Email Priority. 1 = highest. 5 = lowest. 3 = normal.
+**crlf** \\n "\\r\\n" or "\\n" or "\\r" Newline character. (Use "\\r\\n" to comply with RFC 822).
+**newline** \\n "\\r\\n" or "\\n" or "\\r" Newline character. (Use "\\r\\n" to comply with RFC 822).
+**bcc_batch_mode** FALSE TRUE or FALSE (boolean) Enable BCC Batch Mode.
+**bcc_batch_size** 200 None Number of emails in each BCC batch.
+=================== ====================== ============================ =======================================================================
+
Email Function Reference
========================