SMTP authentication failed: 5355.7.3 Authentication unsuccessful

Moderator: crythias

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vinesh
OTRS expert
Posts: 76
Joined: 01 Sep 2012, 09:51
OTRS Version?: 5.0.16
Real Name: Vinesh Narayanan
Company: NTS

SMTP authentication failed: 5355.7.3 Authentication unsuccessful

Post by vinesh » 28 Dec 2016, 16:34

i know this is old post and no clear information on exchange email configuration on otrs. SMTP authentication failed: 5355.7.3 Authentication unsuccessful.

crythias
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Re: SMTP authentication failed: 5355.7.3 Authentication unsuccessful

Post by crythias » 02 Jan 2017, 16:30

Among other ways to get around this is to not use authentication and set Exchange to allow anonymous connections from your OTRS IP address.
OTRS 5.0.x (private/testing/public) on Linux with MySQL database. Also on github.
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