> Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Fedora 17 x86_64)

> Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Fedora 18 x86_64)

> Improve Spam abuse protection in dovecot by restricting access to mail accounts by IP address (e. g. with ISPConfig 3)