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Thread: Smtp relay configuration

  1. #1
    azzaro974 is offline Starter Member
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    Default Smtp relay configuration

    Hi everybody,

    Here is my issue:

    I have my ZCS which working pretty well inside my network, but outside, i cannot send any emails using my smtp with TLS and authentification.

    I found lot of thread about the configuration of smtp relay, so i configured my SIP SMTP via the admin web interface, by carefuly uncheck the dns lookup box.

    But it still not working outside my network.

    Please note that all the necessary ports are opened in my firewall and inside my network, with or without the relay configuration, everything working well.

    Any ideas?

    Thank you all

    Anthony

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Default

    Quote Originally Posted by azzaro974 View Post
    I have my ZCS which working pretty well inside my network, but outside, i cannot send any emails using my smtp with TLS and authentification.
    You should use port 587 as the correct Submission port if you're using an email client other than the Web UI. If you still have problems then you need to look in the log files for the exact errors.

    Quote Originally Posted by azzaro974 View Post
    I found lot of thread about the configuration of smtp relay, so i configured my SIP SMTP via the admin web interface, by carefuly uncheck the dns lookup box.
    You need to enable that box again.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    azzaro974 is offline Starter Member
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    Default

    I thought we have to let the box unchecked if we use a smtp relay?

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