On Wed, 2008-10-29 at 11:17 -0400, Albert E. Whale wrote: > Oct 29 09:43:34 192.168.50.5 dovecot: auth-worker(default): > pam(darrin,217.168.145.51): pam_authenticate() failed: Authentication > failure .. > These attempts to authenticate Darrin will not complete, as this is not > a valid user. The IP Address 217.168.145.51 was cycling through 1364 > attempts. I would like to identify this type of activity sooner, as > this is not a valid user.
OK, so you're using PAM. PAM doesn't tell Dovecot why the authentication failed. There are two possible solutions for your problem: a) Look at PAM's own log (auth.log probably) instead. It probably tells the reason. b) Don't use PAM.
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