554 mail server permanently rejected message (#5.3.0)

Discussion in 'qmail' started by popowich, Dec 4, 2008.

  1. popowich

    popowich EQ Forum Admin Staff Member

    Aug 12, 2008
    Likes Received:

    Have you received this smtp error message?

    This is a permanent error stating that the remote mail server did not accept your e-mail and that your mail server should not try to send it again.

    It's difficult to be sure why without a more specific error message, but some possible causes may be that you mail server is on a blacklist or that the individual e-mail was spammy and scored poorly against a SpamAssassin content check.


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