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email reporting RDNS failed

Discussion in 'E-mail Discussions' started by keat63, Jan 30, 2015.

  1. keat63

    keat63 Well-Known Member

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    Looking in my daily bounced mails, i spotted this today from a customers server.

    X-AntiAbuse: Primary Hostname - host.server.co.uk
    X-AntiAbuse: Original Domain - customer.com
    X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12]
    X-AntiAbuse: Sender Address Domain - adomian.co.uk
    X-Get-Message-Sender-Via: my.server.co.uk: authenticated_id: email@adomian.co.uk
    X-DNS-Warning: Reverse DNS lookup failed for host xxx.xxx.xxx.xx
    X-HELO-Warning: Remote host xxx.xxx.xxx.xx incorrectly presented itself as my.server.co.uk
    Received-SPF: pass (in6b.electric.net: domain of adomian.co.uk designates xxx.xxx.xxx.xx as permitted sender)
    client-ip=xxx.xxx.xxx.xx; envelope-from=email@adomian.co.uk; helo=host.server.co.uk;

    So i ran 3 different RDNS tests from 3 different online engines and all 3 resolved the reverse dns to my server, using the same IP address as the one listed in those headers.

    Any ideas ?
     
    #1 keat63, Jan 30, 2015
  2. keat63

    keat63 Well-Known Member

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    Maybe this might be some remnant from my recent incorrect NS.
     
    #2 keat63, Jan 30, 2015
  3. 24x7server

    24x7server Well-Known Member

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    Hello,

    Please contact your hosting provider and ask them to check the RDNS Of your server, May be RDNS is not setup correctly and due to that you are getting this issues.
     
    #3 24x7server, Jan 31, 2015
  4. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello :)

    Have you verified the hostname of the server resolves to the IP address used for sending email, and that IP address has RDNS pointed back to the hostname?

    Thank you.
     
    #4 cPanelMichael, Feb 2, 2015
  5. keat63

    keat63 Well-Known Member

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    I'd been toying with the reserve IP address and made a schoolboy error in DNS.
    As soon as i saw it, i knew what it was.
     
    #5 keat63, Feb 2, 2015
  6. cPanelMichael

    cPanelMichael Forums Analyst
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    I'm happy to see you were able to address the issue. Thank you for updating us with the outcome.
     
    #6 cPanelMichael, Feb 2, 2015
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