Tom,

I had setup my companies SMTP relay server and was getting
the same error, what fixed it for me was to Check
the "Attempt direct delivery before sending to smart host"
check box in the SMTP Site Property. According to
Microsoft TD #230235 it says to do so if you are doing
your own DNS, which I am.

Hope this helps you also Tom

Bjarni
>-----Original Message-----
>Hi,
>
>I am running IIS 6.0 on Windows 2003 Server.  I have the
POP3 and SMTP
>services installed and configured using the info from
this tutorial:
>http://www.ilopia.com/Windows+Serve...rticles/57.aspx
>
>I can _send_ email from this server, but if someone tries
to send email _to_
>my server it is rejected:
>
>The following recipient(s) could not be reached:
>
> X@MyDomain.com on 2/19/2004 12:10 AM
>  You do not have permission to send to this recipient.
For assistance,
>contact your system administrator.
>  <mail.xxx.com #5.7.1 smtp;550 5.7.1 Unable to relay for
X@MyDomain.com>
>
>I don't understand this - again, I setup EVERYTHING
exactly as it is
>described in the tutorial noted above.
>
>Most relavant I guess are my relay settings where I
have "Only the list
>below" selected and the "allow all computers which
successfully authenticate
>to relay..." checked.
>
>The only other settings I changed from the defaults on on
the Authentication
>tab: "anonymous access" is checked and "Integrated
Windows Authentication"
>is checked.
>
>Can someone please point me in the right direction here?
>
>Thank you VERY much,
>Tom
>
>
>.
>

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"Bjarni" <anonymous@discussions.microsoft.com> wrote in message
 news:1300d01c3f6f4$5bf82cb0$a401280a@phx
.gbl...
> Tom,
>
> I had setup my companies SMTP relay server and was getting
> the same error, what fixed it for me was to Check
> the "Attempt direct delivery before sending to smart host"
> check box in the SMTP Site Property. According to
> Microsoft TD #230235 it says to do so if you are doing
> your own DNS, which I am.
>
> Hope this helps you also Tom
>
> Bjarni 

Thanks for the reply Bjarni.  Unfortunately that wasn't the solution to my
problem.

I did solve the problem and because I have seen this question asked so
frequently (here and across the internet) that I figured I'd provide a
follow-up.  The server in question was working perfectly for about 6 months
(this machine is never used interactively - it is just my smpt/pop3/ftp/web
server machine).

The only thing that could have changed was that I *had* "automatically
download and install updates" turned on, so one of the updates must have
hosed it.

First I re-installed the smpt/pop3 services - no luck.  Then I re-installed
all of IIS - no luck.  Finally I re-installed the entire OS from scratch and
then everything started working again.

Not a very fun (or practical) solution but what can you do?

I hope this helps someone down the line...

-Tom

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