At 11:55 AM -0500 9/12/06, Bob Smith wrote:
On Sep 12, 2006, at 9:56 AM, Timothy Binder wrote:
This sounds about right, as a guess. If the email you are sending
claims to be from a domain ECM2 is hosting, it is probably
rejecting it as a forgery -- unless you are sending it with SMTP
authentication. Just a guess, but I suspect I'm right.
OK... I think I might be onto something. Mail goes through the SIMS
box to ECM2 just fine if it originates outside of my local network.
It gets bounced with a 550 if the From is on the accurateimage.org
domain AND the mail originates from within my local network. Mail
with From headers showing other domains and originating on the local
network works just fine. All mail from outside the local network
seems to be working just fine. I have a feeling I might be getting
the rejects based on the name of my SIMS server. It advertises
itself as ai-1.accurateimage.org. That's what both forward and
reverse public IP lookups see. Local DNS shows the SIMS box as
mail.accurateimage.org in both forward and reverse lookups (long
story... don't ask...). So the DNS lookup on the SIMS local IP is
different from what SIMS is advertising itself to be on the local
network. But why would that only affect mail with from addresses on
the same domain? This is an issue that really only affects my
testing on my local network so I'm not going to lose a lot of sleep
over it. All in all the ECM2 setup is working very nicely. I'm
going to slowly start migrating more accounts over to it and watch
what happens.
What accurateimage.org names is your ECM2 setup as? Any conflicts
there? If it thinks it's *accurateimage.org or something that's an
exact match to one of SIMS' names there's no surprise that it's
bouncing.
Maybe try having SIMS route everything through your Postfix server
(SMTP => Sending options => via foreign mail server and fill in the
IP or name) and see if that helps. Or through the ECM2 server itself.
--
Bill Christensen
<http://greenbuilder.com/contact/>
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