On Fri, Aug 04, 2006 at 05:07:30PM +0000, Tony Stocker wrote: > Encountered something strange today. Several clients who use mail > clients on the same machine reported that they could no longer connect > to the mail server. Myself, and other clients not on that particular > machine did not have a problem. When I tried a simple 'telnet > mailserver 143' from the machine in question I got an immediate server > closed connection. This all started right after one user made an > error in a filter definition and started an endless loop of > connections to the mail server. So since all other clients did not > have a problem reaching the mail server except for one, I wondered if > the IMAP daemon has some kind of automatic protection builtin. If so, > where is this kept? There were no entries in the iptables or > /etc/hosts.deny|allow files. > > The only way that I could resolve the problem was by restarting the > IMAP daemon. > > Has anyone else encountered this before? Does anyone know > definitively what it is? >
Courier has a setting MAXPERIP that will only allow that many connections from a single IP. This sounds like what was causing your issue. -Scott -- ============================================== Scott Koch CS Undergraduate & UTKCS System Administrator 865-974-3840 / [EMAIL PROTECTED] http://www.cs.utk.edu/~koch ============================================== ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Courier-imap mailing list [email protected] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-imap
