521 blocked by blacklist.mailrelay.att.net 521 DNSRBL Blocked for abuse

Discussion in 'Mail Server Support' started by popowich, Sep 12, 2013.

  1. popowich

    popowich EQ Forum Admin Staff Member

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    Hello,

    Did your mail server get listed on the AT&T blacklist?

    The error message from their mail service lists the incorrect web site for delisting.

    After fixing the abuse problem with your mail server, go to AT&T Delisting to submit a delisting request.
     


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