On 11/20/01 at 12:41, R. Scott Perry wrote:
> > Hi all -- Been having loads of trouble trying to get email through my
> > network properly. I thought I'd seen it all, but now mail is not going
> > through because SIMS does not recognize ANY sender's domain outside
> > local ones.
Smells like a DNS problem.
> >This message is coming from comet.bluemarble.net, even though SIMS at
> >my domain (theagateworkshop.com) insists that comet.bluemarble.net
> >doesn't exist. Can SOMEONE explain why?
> >
> > > The original message was received at Mon, 19 Nov 2001 21:16:04 -0500
> > > (EST) from sgv@localhost
> > >
> > > ----- The following addresses had permanent fatal errors -----
> > > <[EMAIL PROTECTED]>
> > >
> > > ----- Transcript of session follows -----
> > > ... while talking to mail.theagateworkshop.com.:
> > > >>> MAIL From:<[EMAIL PROTECTED]>
> > > <<< 572 <[EMAIL PROTECTED]> domain does not exist
> > > 554 <[EMAIL PROTECTED]>... Service unavailable
>
> Because there is no MX record for comet.bluemarble.net. It has an A
> record, but no MX record. Many mail servers will look up the A record if
> the MX record doesn't exist, and try using it. But, the missing MX record
> is a problem at that domain.
I don't think that's the problem. From the bounce message that Steven posted,
it looks like his SIMS server (mail.theagateworkshop.com) rejected the
envelope sender <[EMAIL PROTECTED]> as a result of a Verify Return Path
check. If memory serves, the Return Path check looks for an A record, not an
MX. I can't think of any circumstance where SIMS would reject a sender because
it doesn't have an MX, or where it would even be proper to do so (someone
please correct me if I'm wrong). I'd check to make sure that the DNS server
that SIMS is using can resolve comet.bluemarble.net. It definitely does
resolve:
% dig comet.bluemarble.net.
comet.bluemarble.net. 2H IN A 204.89.253.28
Christopher Bort | [EMAIL PROTECTED]
Webmaster, Global Homes | [EMAIL PROTECTED]
<http://www.globalhomes.com/> | PGP public key available on request
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