Article ID: 127090, created on Oct 6, 2015, last review on Oct 4, 2016

  • Applies to:
  • Plesk 12.5 for Windows
  • Plesk 12.0 for Windows
  • Plesk 11.5 for Windows


MailEnable autoresponder does not send an autoreply.

In MailEnable Management > Servers > localhost > Servers and Connectors > SMTP > Logs > Activity > SMTP-Activity-date.log following message can be found:   AUTH    xxxxx   504 Invalid Username or Password    34  18  postmaster@localhost


Account postmaster@localhost is missed in MailEnable Management.


Go to MailEnable Management > Messaging Manager > Post Offices and check whether postmaster user exists under localhost domain. If postmaster user does not exist:

  1. Delete localhost domain from MailEnable Management.
  2. Disable and enable option Use the mail server installed with Plesk and the default mail account created by Plesk in Plesk > Tools & Settings > External SMTP Server.

Domain postmaster@localhost will be recreated automatically in MailEnable Management.

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auto reply not working


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