[Dovecot] Auth Issues - Urgent - Help!

[Jakob Hirsch]

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.