Fwd: Intermittent IMAP Login failures - about 25% fail

[Steffen Kaiser]

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On Thu, 7 Apr 2016, Mobile Phone wrote:

> New server & just added three domains:
> now I see
> "dovecot: imap-login: Aborted login (auth failed, 1 attempts in 5 secs):
> user=<username.companyname>, method=PLAIN, rip=1.1.1.1, lip=99.99.99.99,
> TLS, session=<kw6Y2NYviQBex5Un>"
> Plus all Outlook users keep being bounced and finally get in.

Did you tried to enable auth debug?

http://wiki2.dovecot.org/Debugging/Authentication

- -- 
Steffen Kaiser
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