On Fri, September 29, 2006 11:47 am, Charles Marcus <CMarcus@Media-Brokers.com> said:

Bill Boebel wrote:

...

I have a Dovecot server set up as a proxy and getting a ton of these errors, but I'm not sure where to begin troubleshooting it. I'm hearing frequently that Outlook users who use IMAP with SSL are getting disconnected often as a result. Any suggestions?...

Need more details... Dovecot version? Platform?

Sorry... Red Hat ES4 (2.6.9-42.0.2.EL), latest dovecot CVS 20060926.

login_process_per_connection = no login_processes_count = 3 login_max_processes_count = 10 login_max_connections = 4000 login_process_size = 64

Also added this to the dovecot init script to allocate more file descriptors to dovecot:

start() { echo -n $"Starting $prog: "

•   ulimit -n 16384
    daemon /usr/sbin/dovecot

Also, seeing this error occasionally...

Sep 29 11:34:15 director4 dovecot: imap-login: SSL_write() syscall failed: Bad file descriptor [166.137.221.91]

Maybe nothing to worry about now that I have increased "login_process_size". Checking with customers to see if the Outlook IMAP SSL disconnects are still frequently occurring.

Thanks, Bill