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  • mail bouncing back to us

    hi
    i m hosting exchange 2000. the problem came to me is mails to one of our clients are bouncing back to us. the error msg is
    554 5.7.1 Client host rejected: cannot find your hostname, [our ip address];
    I searched on internet. the answer i found is to update my pointer record.
    We using external service provider to forward our e mails. we send e mails from our DNS. we got external dns service provider who is hosting our dns zones.
    After editing information still mails are bouncing back

  • #2
    Re: mail bouncing back to us

    If you have just updated them it does take time to replicate around the worlds DNS servers.

    You state you send via DNS therefore your server is something like "mail.domain.com" so your PTR should match that. Did you ask your external service provider to set that up?

    http://www.ipswitch.com/support/IMai...0A%20dns4.html
    cheers
    Andy

    Please read this before you post:


    Quis custodiet ipsos custodes?

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