Grant skrev den 2013-07-23 11:31:
From what I can gather from the users, the system in question has always been this slow on RC. The RC server is accessed by 3 other machines and they experience just a second or two of latency.
try let users use squirrelmail with have no ajax, is it fast like hell ?
if so its not your imap store, just to rule out roundcube problems :)