This program will run on any system with a full java installation, recommended version 1.3 or higher, where the system has access to an IMAP server for storing mailboxes and configurations, and to an SMTP server for sending mails. The OS doesn't matter, however GNU/Linux is recommended.
Strict separation of logic and presentation. Logic is implemented in Java, and presentation in XML/XSL
These details are provided for information only. No information here is legal advice and should not be used as such.