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Can't get mails then connected with The Bat! Server sends: -ERR Authentication failed. and the record in maillog is: dovecot: auth(default): Failed to lookup domain owner of

The problem occurred after I rebuild the Apache. Where can be problem?

1 Answers1

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As hoster support said:

The reason was that the hostname was the same as domain. The mail server tried to authenticate agains system users for the VPS instead of virtual users for the domain.