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5. Tracking down problems

Since it's sometimes kind of hard to track down problems with courier imap/pop3, I've modified some error messages outputted by the pop3 server and relate to my patch in order to ease the task of fixing problems.

Ok, once the courier pop3 server is up and running, try to

$ telnet localhost 110
After you see
+OK Hello there.
type (any line preceeded by a + is output of the daemon, you don't have to type it)
USER validuser@domain
+OK Password required.
PASS userpassword
where validuser@domain is a valid username (already correctly configured in the database) and userpassword is its password.

If you have an error like:

Any other error is not related to my patch. You shuld check the whole configuration with the documentation provided with courier.

Once everything is working with pop3 it shouldn't be hard to get everything working with imap, and no special messages are printed with imap.

Note that you should never see those messages in a running and configured server.


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