Re: You do not have permission to send to this recipient.
- From: COB <COB@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 30 Aug 2006 08:01:02 -0700
Kevin - looks like the reverse dns is pointing at the isp not my internal
exchange server so it "thinks" that we are trying to relay because it is
originating on our domain but when reversed its pointing to the isp's domain?
Could that be happening?
My domain is: city.mo.us
My ip is: 24.X.X.X
Answer:
24.X.X.X PTR record: 24-X-X-X.static.city.mo.cable.com. [TTL 86400s]
[A=24.X.X.X]
Because it doesnt see my server when reversed, it assumes relay?
The ISP confirms that they have a reverse dns record set. Is this the
typical behavior? Can it get out of sync somehow?
"COB" wrote:
I went to DNSSTUFF.com and ran a reverse dns on the exchange servers static.
ip and it says it has an answer and references an address from my isp so
think that looks ok.
"Kevin Longley" wrote:
Do you have a reverse pointer record setup for your public mail exchanger
record?
"COB" <COB@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:C6FAA65E-8554-4533-AA4E-FB3C9CDE994A@xxxxxxxxxxxxxxxx
Yes this is an NDR that i received after sending a message. Now I was
able
to find an older message he had sent to me and "reply" and that did not
incur
an NDR so assuming it went thru with no problems.
I cannot replicate this error.
We do have problems with a few domains. earthlink.net has been a problem
and another local domain. It doesn't seem to be consistent.
The message yesterday was to a Cisco employee and it bounced with unable
to
relay. We have gone over and over the relay information on micorsoft and
we
do not feel we are relaying. I think it is somehow related to the fact
that
we have an Exchange server inhouse and have an ISP doing the MX and dns
maintenance. Oh and we are using a Cisco PIX 506e which I have seen
articles
related to making changes to it but since it is not consistent, we don't
feel
this is an issue.
"Rbartle" wrote:
Is this an NDR from a message you are sending? Can you replicate this
Error?
Is it only to certain domains?
"COB" wrote:
You do not have permission to send to this recipient. For assistance,
contact your system administrator.
<mail.domain.us #5.7.1 smtp;550 5.7.1 <jsmith@xxxxxxxxx>...
Relaying denied>
We have an internal Exchange 2003 server. Our ISP hosts the DNS and MX
record for our mail server. We have done everything we can to make
sure we
are not relaying. Mail seems to go in and out ok but every once in
awhile we
get the above message.
Could it be that larger organizations "think" we are relaying because
it
originates from our server passes to another at the ISP level then
moves it
on? Why is this happening?
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