I'll bet this has to do with your MAXPERIP setting in /usr/local/etc/courier-imap/imapd

All your connections for webmail access are arriving via localhost, and that limit is going to determine how many people you can have logged into imapd via (webmail).

Raise MAXPERIP and restart imapd.


On Tuesday, May 27, 2003, at 08:33 PM, Rob Francis wrote:


I was happily using vpopmail 5.2.1 and qmailadmin. Everything was fine.

However, our clients demanded some form of webmail access, so after trying a
few packages, I settled for SquirrelMail (PHP pages that we could set to our
needs). SquirrelMail requires an IMAP server for authentication and
Courier-IMAP seems to be the fastest around and recommended by most groups.

Everything worked wonderfully EXCEPT for the fact that you could only
authenticate about 3 times before getting a username/password unknown error.
If I restart the Courier authentication daemon it works for another 3 times.
I even tried setting up a cron job to run a script as root that restarts the
Courier authentication daemon every minute.

The Courier IMAP list was the first place I searched for help but they were
adamant that the problem is with vchkpw and that I should upgrade to version
5.3.20. I have done this but still have the same problem.

Any suggestions? Has anyone else had this problem?

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