[Dovecot] POP3 auth failures

[Timo Sirainen]

On Wed, 2008-10-29 at 09:02 -0600, CJ Keist wrote:
> Have a strange problem with just POP3 users.  Their email clients will
> fail every so often with the following:
..
> auth-worker(default): pam(user,129.82.224.206): pam_authenticate()
> failed: No account present for user

So PAM thinks it doesn't exist. The only solution to issues with PAM
that I can think of is to decrease how many lookups it can do before
restarting the process:

>   worker_max_request_count: 20000

Try e.g. a value of 1000 to see if that happens to fix it.

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