The Email Administration Utility can help a client administrate their own Email accounts via a web interface using PHP and Perl scripting. The client can add, remove or modify accounts on a server that provides an IMAP port to connect to.
License
BSD LicenseFollow Email Administration Utility
Other Useful Business Software
Outgrown Windows Task Scheduler?
Windows Task Scheduler wasn't built for complex, cross-platform automation. Get a free diagnostic that shows exactly where things are failing and provides remediation recommendations. Interactive HTML report delivered in minutes.