Version 1.73 (Sun, Jun 10 2005)
* Fixed denial of service bug:
http://www.cybsec.com/vuln/PHPMailer-DOS.pdf
* Now has a total of 20 translations
* Fixed alt attachments bug:
http://tinyurl.com/98u9k
Version 1.72 (Wed, May 25 2004)
* Added Dutch, Swedish, Czech, Norwegian, and Turkish translations.
* Received: Removed this method because spam filter programs like
SpamAssassin reject this header.
* Fixed error count bug.
* SetLanguage default is now "language/".
* Fixed magic_quotes_runtime bug.
Version 1.71 (Tue, Jul 28 2003)
* Made several speed enhancements
* Added German and Italian translation files
* Fixed HELO/AUTH bugs on keep-alive connects
* Now provides an error message if language file does not load
* Fixed attachment EOL bug
* Updated some unclear documentation
* Added additional tests and improved others
Version 1.70 (Mon, Jun 20 2003)
* Added SMTP keep-alive support
* Added IsError method for error detection
* Added error message translation support (SetLanguage)
* Refactored many methods to increase library performance
* Hello now sends the newer EHLO message before HELO as per RFC 2821
* Removed the boundary class and replaced it with GetBoundary
* Removed queue support methods
* New $Hostname variable
* New Message-ID header
* Received header reformat
* Helo variable default changed to $Hostname
* Removed extra spaces in Content-Type definition (#667182)
* Return-Path should be set to Sender when set
* Adds Q or B encoding to headers when necessary
* quoted-encoding should now encode NULs \000
* Fixed encoding of body/AltBody (#553370)
* Adds "To: undisclosed-recipients:;" when all recipients are hidden (BCC)
* Multiple bug fixes
Version 1.65 (Fri, Aug 09 2002)
* Fixed non-visible attachment bug (#585097) for Outlook
* SMTP connections are now closed after each transaction
* Fixed SMTP::Expand return value
* Converted SMTP class documentation to phpDocumentor format