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Thread: Reverse look up fails

  1. #1
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    Default Reverse look up fails

    When I send messages to some addresses, they are rejected because the receiving mail host says my mail fails reverse lookup. Is there a setting in Zimbra that relates to that kind of error?

  2. #2
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    Default

    Nope. This means your mail domain doesn't resolve via reverse IP when sending mail. Yahoo, Hotmail, Gmail, etc all use this to prevent spammers.

  3. #3
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    Default

    Quote Originally Posted by Billy
    When I send messages to some addresses, they are rejected because the receiving mail host says my mail fails reverse lookup. Is there a setting in Zimbra that relates to that kind of error?
    try to relay mail through your ISP (Relay Host in Zimbra Admin UI MTA tab).

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