From LQWiki

You can use your computer to host your own web mail service!

Products

• Squirrel mail is in the ports trees of Gentoo and Debian.
• Horde is another option
• RoundCube is an upcoming web mail option. Featuring Ajax' advanced usability.

Security

Learn how to force https with the .htaccess file: Securing_Apache

See also

• Security
• Web server
• Email server