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Re: Problem with "temporary failure at return MX check"

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  • Noel Jones
    [please don t top post] ... The error indicated a temporary lookup failure. Just because lookups work for you doesn t mean they work for everyone. ... You ll
    Message 1 of 5 , Sep 30, 2011
      [please don't top post]

      On 9/30/2011 11:23 AM, ajm wrote:
      >
      >
      > If pix workarounds are out of question, I think just DNS remains.
      >
      > On DNS I have currently:
      >
      > nslookup -query=MX domain - returns only an MX_server - the correct one
      > nslookup MX_server - returns the correct ip address
      > nslookup ip_address - returns the name of a machine from the same
      > domain, but not the MX_server.

      The error indicated a temporary lookup failure. Just because
      lookups work for you doesn't mean they work for everyone.

      >
      > Even if the reverse resolution does not point to exactly the same name
      > (there are CNAMEs), it resolves to the same domain.
      > I thought it would be enough, as I did never need more than this before,
      > but then this is probably the problem.

      You'll need to check with the destination about their idea of close
      enough.



      -- Noel Jones
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