RE: PLEASE READ:SMTP forwarder isn't forwardin g messages with "return -path <>".
- From: Lenny Burns <lenny.burns@xxxxxxxxxx>
- To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
- Date: Wed, 29 Jan 2003 09:17:21 -0500
Postmaster is available, but no, they are not delivered there either.
-----Original Message-----
From: ONG Liang Bu (CSC) [mailto:lbong@xxxxxxxxxx]
Sent: Wednesday, January 29, 2003 7:31 AM
To: [ExchangeList]
Subject: [exchangelist] RE: PLEASE READ:SMTP forwarder isn't forwarding
messages with "return -path <>".
http://www.MSExchange.org/
Do you define a Postmaster email address for yr domain?
I will assume all mails from <> are NDRs and will be delivered to
postmaster@xxxxxxxxxx If you already have postmaster address then I am at a
lost also.
-----Original Message-----
From: Lenny Burns [mailto:lenny.burns@xxxxxxxxxx]
Sent: Wednesday, January 29, 2003 7:36 AM
To: [ExchangeList]
Subject: [exchangelist] PLEASE READ:SMTP forwarder isn't forwarding messages
with "return -path <>".
Importance: High
http://www.MSExchange.org/
I have posted this several times using various descriptions of the problem.
!!!I REALLY NEED EXPERT HELP HERE!!!!
I have researched this situation everywhere and still nothing works.
I put my exchange server inside the firewall and used a IIS5 (windows 2000)
SMTP server to FORWARD MAIL to it.
Only remote domains in the list that I entered are forwarded.
I specified the exchange server IP in []'s for each remote forwarded domain.
ALL email is forwarded now.
I have not installed virus or Spam filtration software on the forwarder.
All seemed fine, until I realized that all INBOUND emails with a
"return-path: <>" in the header are being dropped in BADMAIL.
I look on the event log of the forwarder, and see:
=====================================
Event Type: Warning
Event Source: smtpsvc
Event Category: None
Event ID: 4000
Date: 1/28/2003
Time: 6:16:54 PM
User: N/A
Computer: MAILGUARD
Description:
Message delivery to the remote domain 'conway.com' failed for the following
reason: Unable to successfully connect to the remote server.
Data:
0000: 3a 02 04 c0 :..À
=====================================
This happens once for every message with a "return-path: <>" in the header
Further research revealed that these messages are NDRs from AOL but MOSTLY
messages from List servers.
We NEED to get these emails!!!
So, here's what testing I have done..
If I drop these messages into the PICKUP folder, they get delivered.
I telnetted into the local host for the forwarder, sent a message from <> to
myself. It arrived.
I telnetted into the exchange server, sent a message from <> to myself. It
arrived.
(I am assuming these emails are the same as the ones that have a
"return-path: <>" in them.)
I send a message to the foreign list server with a command that makes it
reply, and it too lands in BADMAIL.
If email arrives from an exterior server with "return-path: <>" in the
header, it drops to badmail and I cant stop it.
What should I do?
Im completely stumped, and this has been going on for over a month now.
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