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Thread: Error on sending to non-server hosted addresses

  1. #1
    clincoln is offline Junior Member
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    Default Error on sending to non-server hosted addresses

    So we decided after testing for a while that it was time to migrate our email system to Zimbra. We sat everyone down (small business) and migrated everyone over as we switched over our Postini IP order (placing Zimbra above the old email system).

    Everything worked great - emails flowing in and out of Zimbra.

    For 15 minutes.

    All of a sudden, Outlook clients could not connect at all, even though Apple Mail clients could. Then, most disturbingly, webmail started returning the following error whenever trying to send an email to a non-server hosted address; i.e. test@gmail.com or jimmy@yahoo.com:

    Message not sent; one or more addresses were not accepted.
    Rejected addresses: test@gmail.com

    To me, that seemed to indicate that maybe there was a DNS issue with the service. So I logged in and ran: host gmail.com
    And got a complete gmail DNS record returned including MX records.

    I've been thinking about what changes I made prior to mail being unable to send. The only thing that I can see is that I put a value in MTA Trusted Networks of psmtp.com - Postini's mail servers. However, after doing that, I had been able to send out mail for a few hours.

    The logs show only this:
    Thu, 31 May 2007 07:09:26 PDT Completed Successfully Zimbra Services Notice
    Thu, 31 May 2007 07:09:32 PDT Completed Successfully Zimbra Services Notice
    Thu, 31 May 2007 07:10:44 PDT Notification email for type 'start' failed to send to 'test@gmail.com' because '{'test@gmail.com': (554, '<test@gmail.com>: Relay access denied')}'. Zimbra Services Debug
    Thu, 31 May 2007 07:10:47 PDT Notification email for type 'start' sent. Zimbra Services Debug

    I tried to remove the MTA Trusted Networks value for testing purposes, but for some reason it keeps re-populating it; so I hope that is not the issue.

    As a temporary and humbling solution, we rolled back to our old mail server and are making due with Squirrelmail for the time being.

    Any help would be greatly appreciated.

  2. #2
    mmorse's Avatar
    mmorse is offline Moderator
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    Default

    make sure 'enable dns lookups is checked' (under the MTA tab of the admin console, or with zmprov)
    and also see:
    ZimbraMtaMyNetworks - ZimbraWiki

    Also in the admin console, double check what you have set for the webmail and relay MTA values.
    (remember in the admin console if you set it on the server MTA tab- it will override the global MTA setting)
    Last edited by mmorse; 06-01-2007 at 04:15 PM.

  3. #3
    clincoln is offline Junior Member
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    Quote Originally Posted by mmorse View Post
    Thanks for that document - apparently when I set my Mta, it did not adapt to include itself still and mail stopped flowing. I added 127.0.0.1 to the ZimbraMtaMyNetworks field as per the instructions on that wiki page and mail started flowing.

    Thanks!

  4. #4
    mmorse's Avatar
    mmorse is offline Moderator
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