On 11.1.2011, at 12.03, Jan-Frode Myklebust wrote: > $ ps -ef|grep dovecot/pop3-login|wc -l > 192 > $ ps -ef|grep dovecot/imap-login|wc -l > 472 > > so looks like I'm quite close to hitting this limit for my imap logins. Well, switching to high performance mode would work better for proxies: http://wiki2.dovecot.org/LoginProcess