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Thread: ZCS cannot receive emails from Internet

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  1. #1
    Join Date
    Apr 2013
    Rep Power

    Exclamation ZCS cannot receive emails from Internet

    I have installed Zimbra Collaboration Suit 8.0.3 with Split-DNS on Ubuntu 12.10 Server Successfully (1st time)
    Ubuntu have no built-in firewall & all ports are open for Zimbra (temp) in external firewall,
    53, 25, 110, 22, 80, 143, 443, 993, 995 ports are forwarded to Zimbra Server.
    I can Send emails from Zimbra to any email Server without any issue, but cannot receive any email from Internet, on the local domain it works fine.
    I follow this Guide for installing Zimbra (Fairly easy)
    but I don't understand, what i'm missing ?

    MX Lookup Tool Said,
    Loop detected! We were referred back to ''

    Please help, Thanks.
    Last edited by Xahid; 05-03-2013 at 12:16 AM.

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