This set of articles describe the complete email setup for your own mail domain. Postfix is the mailer, Dovecot is used as IMAP server, and DSPAM is used for Spam filtering. Follow the order in the menu on the right to install and test everything.
3-Jul-2011: initial release. 28-Aug-2011: added Simple MTA link. 28-Jul-2013: changed menus.