Undelivered Mail + Unknown user

Discussion in 'Installation/Configuration' started by unsichtbare, Oct 18, 2008.

  1. unsichtbare

    unsichtbare Member HowtoForge Supporter

    I have trouble sending to one email address. I get the message:

    when I know the user "mike" is valid.

    Any ideas?

  2. till

    till Super Moderator Staff Member ISPConfig Developer

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