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
$300 Free Credits for Your Google Cloud Projects
Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.