Select topics in programming, technology and server administration.
Running a Mail Server on Debian Ubuntu
If you’re interested in running an own mail server, you may find my pages on Postfix with Courier-IMAP useful.

Postfix with Courier-IMAP Mail Server System.
The mail server section of my blog has step by step instructions on installing Postfix with Courier-IMAP. The proposed setup supports a large number of mail accounts with folder administration in MySQL.