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Bounce Mail

Discussion in 'E-mail Discussion' started by replay147, Sep 5, 2012.

  1. replay147

    replay147 Member

    Sep 3, 2009
    Likes Received:
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    The emails sent from specific server to my server bounce back with the message below.

    Expired Delivery Retry Notification (6 hours ):
    Sorry, I couldn't find any host by that name. (#4.1.2) Despite repeated
    attempts, this message could not be delivered.

    I add server's IPs to my white list. But still getting the same bounce mail.

    It is said that "To fix the problem the receiving admin will need to allow DNS lookups from these two IPs: and Until this has been done, your outbound emails to that domain could still be delayed. " for the solution...

    How can I allow DNS lookup for the IPs above.


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