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Email relay

Discussion in 'E-mail Discussion' started by Zion Ahead, Jun 9, 2009.

  1. Zion Ahead

    Zion Ahead Well-Known Member

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    Occasionally when sending an email to an international address, I receive a rejected notice:

    550 5.7.1 Relaying denied. IP name forged (PTR and A records mismatch) for (serverIP)

    Nothing was changed anytime recently so I'm not sure why this would happen. How would I trace this type of error? Its a legitimate outgoing mail from my server to the intl recipient.

    SPF has been set since day one and unchanged.
     
  2. PlatinumServerM

    PlatinumServerM Well-Known Member
    PartnerNOC

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    Check to make sure the reverse dns of your ip is correct, and also make sure it resolves back to the ip, for a forward/reverse match.
     
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