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Thread: Open Relay or not ?

  1. #1
    robert1b is offline Intermediate Member
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    Default Open Relay or not ?

    Our company use open source version 8.0.4 of Zimbra Mail Systems.
    We have some problem with relay mails. I think there is some problem or my configuration is not correct.
    Our mail server receive many emails which are not directed to my configured domains and after
    they go through amavis they are queued and send to internet like originated from my server.
    In MTA I enter Safe Networks but it doesn't help. Mail after leave Amavis have adres origin 127.0.0.1 which is in safe network.
    I don't know how can I block use my mailserver as relay for unsolicited mails from internet not directed to my domain.

    Can somebody help me configure it ?

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by robert1b View Post
    I don't know how can I block use my mailserver as relay for unsolicited mails from internet not directed to my domain.
    In it's default configuration Zimbra is not an open relay unless you've made it one. Try one of the many open relay test sites to check your server.

    Quote Originally Posted by robert1b View Post
    Can somebody help me configure it ?
    There are many threads in the forums that cover this topic, have you looked at those?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    robert1b is offline Intermediate Member
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    I could not find any information related to my problem. Mail come from internet and have not receipients set to any of mail or domain on my server. First this email is triggers to amavis filter and rejected. But after all this email is send to internet with origin mail sender and original email recepients but mail system which is send is my mailserver.
    MTA is configured to accept only connections from lokal networks include localhost. It looks like email after leave amavis go to MTA again with sender IP 127.0.0.1.

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