How well suited is RoundCube to an install w/ about 700,000 mailboxes on Courier-IMAP. The load will be somewhere between 800 and 2500 users at any given time using the system (150-350 views/s on apache, 200qps on mysql avg). SquirrelMail is the current client, pretty light and fast, and it's IMAP routines are amazing when you have high load. I know RC uses IlohaMail as its IMAP provider, but when we tried Iloha it did not perform well under load.
Has anybody attempted such a large setup with RoundCube before? I'm shopping around for a new webmail client due to the nearly unskinnable nature of SquirrelMail. The users keep blabbering about making webmail look nice, or something crazy like that.
-- Christopher A. Watford christopher.watford@gmail.com http://dorm.tunkeymicket.com http://www.theroadtrip2005.com