David Cunningham wrote:
I have about 5 Thousand users using horde that login ever 1-5 minutes to refresh their page. I assume it is a setting, but I am confused as to
This may not related to the real reason of your problem, but I recommend up-imapproxy (http://www.imapproxy.org/) for such setups, which caches connections (and therefore logins). You could try to enable dovecot's auth_cache instead.
