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#550 5.1.1 RESOLVER.ADR.RecipNotFound

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  • #550 5.1.1 RESOLVER.ADR.RecipNotFound

    Hi ,
    I am receivig from a specific domain for all emails addresses in that domain failure to deliver our emails ,all users in my domain have the same problem , we are able to send to other domains ,
    from hotmail or gmail we are able to send to their domain .
    we have exchange server 2007 .
    this problem started some time ago while before that we were able to send to their domain,
    i am not sure if the problem is with our exchange config or at their side.
    teh message is :

    #550 5.1.1 RESOLVER.ADR.RecipNotFound; not found ##

    Original message headers:

    Received: from infrasat3.infrasat.local ([]) by
    infrasat3.infrasat.local ([]) with mapi; Wed, 21 Nov 2012 19:08:06
    Content-Type: application/ms-tnef; name="winmail.dat"
    Content-Transfer-Encoding: binary

  • #2
    Re: #550 5.1.1 RESOLVER.ADR.RecipNotFound

    have a look at message tracking for the specific messages to the domain in question.

    See if that tells you anything?

    Also - is that the full bounce message? It seems to be missing the name of the server which generated it, unless it is infrasat3, in which case you have an email routing problem somewhere.
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