On Mon Apr 18 12:53:07 2016, Carl Byington wrote:
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> On Mon, 2016-04-18 at 17:28 +0200, Michelle Sullivan wrote:
> > (3) NXDOMAIN = No Records = Hard Fail
> > (2) SERVFAIL = DNS issues = Temp Fail
> > Connection timeout/Refused = DNS issues = Temp Fail
> 
> I agree. But some providers seem to have trouble with the concept of
> setting up proper reverse dns for all their outbound servers.
> 
> Apr 18 12:23:23 ns1 sendmail[23389]: u3IJNMG3023389: --- 250-ns1.five-
> ten-sg.com Hello [65.55.234.213], pleased to meet you
> 
> Apr 18 12:23:24 ns1 sendmail[23389]: u3IJNMG3023389: <-- MAIL
> FROM:<msonlineservicest...@microsoftonline.com> SIZE=12109 BODY=7BIT

I don’t see what’s wrong with that reverse.

-- 
alarig

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