On 04/30/2012 06:39 PM, Phil Lavin wrote: > This is a very weird problem. I did a standard apt-get upgrade on Debian and > got Courier IMAP 4.9.3-4. On upgrade all worked fine, however within 2 hours > the imapd stopped acknowledging successful logins. When it works, it returns > "1 OK LOGIN Ok.". When it stops working, it returns nothing. The state, as I > know it, is thus: > > > * It will acknowledge and log failed logins > > * It will not acknowledge or log successful logins and it will not > accept commands after a valid login is supplied > > * The auth backend is mysql, which it successfully queries > > * It clearly knows the difference between good and bad logins as it > never fails to acknowledge bad ones > > Courier pop3 works fine, even when imap is failing. > > A reboot fixes the issue for a random period of time - typically no more than > 2 hours. Nothing is logged that would indicate why it is doing this. I have > downgraded back to 4.8.0-3 and the issue still exists. I don't recall the > version that it was on pre-upgrade, it may well have been less than 4.8.0-3. > > Anyone have any clue what might be causing this? >
I have no clue why this happens for some people, but you are not alone. Please see Debian bug #669146: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=669146 Regards Racke -- LinuXia Systems => http://www.linuxia.de/ Expert Interchange Consulting and System Administration ICDEVGROUP => http://www.icdevgroup.org/ Interchange Development Team ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Courier-imap mailing list Courier-imap@lists.sourceforge.net Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-imap
