SMTP authentication failed: 5355.7.3 Authentication unsuccessful
Moderator: crythias
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vinesh
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SMTP authentication failed: 5355.7.3 Authentication unsuccessful
i know this is old post and no clear information on exchange email configuration on otrs. SMTP authentication failed: 5355.7.3 Authentication unsuccessful.
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crythias
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Re: SMTP authentication failed: 5355.7.3 Authentication unsuccessful
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 6.0.x (private/testing/public) on Linux with MySQL database.
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