In addition to Eric's suggestion of ensuring DNS records are pointing
correctly, check that the server you are using to send mail with (The
"External" server you mention) is not also set up to think it handles the
mail for your domain locally.  If it is, it won't even look at DNS.

This is especially likely if this server USED to host your mail, and you
simply put up the QMT, and re-pointed your MX record to it, but did not
remove the domain from the "External" server's "Localhosts/rcpthosts/etc"
file, depending on the flavor of the "external" mail server.

This issue will result in inbound mail from "The Net" being properly
delivered, but mail sent via the "External" server not being delivered.
This includes anyone else using that "Hosts" servers to send mail.  This can
be hard to get a large host to correct, since Tier 1 support will usually
not grasp the issue.

Also, this issue will not cause the mail to be bounced if the e-mail
accounts are still on the "External" server, since they are being delivered
locally...  You might be able to log into the "External" mail server via a
webmail client or something on THAT server, and see the mail...

 
Michael J. Colvin
NorCal Internet Services
www.norcalisp.com
 



> -----Original Message-----
> From: news [mailto:[email protected]] On Behalf Of Eric Shubert
> Sent: Tuesday, November 10, 2009 6:56 AM
> To: [email protected]
> Subject: [qmailtoaster] Re: Missing messages
> 
> Mike Canty wrote:
> > I have a standard Qmail Toaster install on CentOS 5.3 with Spamdyke.  We
> are
> > being told of messages not being received by recipients in our domain.
> We
> > are finding this by one user sending messages via an external mail
> server
> > (there are reasons for setting them up in this manner), to an internal
> > account, but when I look at the logs there are no entries for these
> message
> > ever getting delivered.
> >
> > Is it possible we are rejecting messages that do not appear in our logs?
> > Could that be messages that don't get in the door?  If so is there a
> level
> > of log we can put in place to see these messages.
> >
> > It's just a bit embarrassing, as the mail manager not being able to work
> out
> > what is happening.  So any information would be appreciated.
> >
> > Cheers
> > Mike Canty
> >
> 
> I don't believe a message would be rejected for any reason without a
> message being written to the smtp log. spamdyke logs from address, to
> address, and sending server's ip address in all rejection messages.
> 
> Older QMT versions that rejected due to SPF would not log a message to
> that effect, but there would still be a "pid from" message in the log.
> That's been fixed for maybe 2 years or so though.
> 
> If there's no indication of the message reaching your server, I'd
> suspect a misdirected DNS record of some sort.
> 
> --
> -Eric 'shubes'
> 
> 
> --------------------------------------------------------------------------
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>     Vickers Consulting Group offers Qmailtoaster support and
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>       If you need professional help with your setup, contact them today!
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    Vickers Consulting Group offers Qmailtoaster support and installations.
      If you need professional help with your setup, contact them today!
---------------------------------------------------------------------------------
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