Hi,
We have no plans for a php front end. If you want to gzip output, I'd look at the excellent mod_gzip package:
http://www.remotecommunications.com/apache/mod_gzip/ This allows you to gzip all output (html pages, perl scripts, php pages, etc).
We do have a number of new features we are working on for future versions though:
* Support for different types of Remote Mail accounts: POP, IMAP, Hotmail, etc.
* Support for integrated payment system to handle subscription accounts
* Improved address book with ldap, groups, and much more.
to name a few.
Cheers,
Alex
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Gossamer Threads Inc.