Liste de diffusion Message #15335
De: Joe Wagner <>
Sujet: Re: Why is mail being sent to my webserver...
Date: Wed, 06 Sep 2006 17:38:59 -0700
A: SIMS Discussions <>
X-Mailer: QUALCOMM Windows Eudora Version
billc <> wrote on 6 Sep 2006 18:58:58 -0500:
Sounds like it might be a DNS problem... what domain are we talking about, and what's the IP/name of the server that's getting mail sent to it?
The domain is and the bounce from Stanford via a test email is:

  ----- The following addresses had permanent fatal errors -----
    (reason: 501 Invalid mail recipient. Relay requires SMTP AUTH.)

   ----- Transcript of session follows -----
... while talking to
>>> DATA
<<< 501 Invalid mail recipient. Relay requires SMTP AUTH.
554 5.0.0 Service unavailable
<<< 503 Invalid sequence of commands.

   ----- Original message follows -----
So "talking to" is talking to the web server which also has mail capability (, running Sambar).  I had the mail server turned on because that is needed to enable the server to email monthly reports to my clients on their domains.  When this bounce happened though, at least two of the mail servers for hypertouch .com (at .108 and .107) were both running.

Christopher Bort <> wrote on Wed, 6 Sep 2006 16:51:39 -0700 :
Your network outage could be one explanation. A variation on the same theme
would be if you've had an MX record point to the web server's address in
the past and some servers are still caching that.

I'd never had an MX record point to the web server. But if all the mail servers were down, is it permitted to default and try to send to the A record?

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