RE: Some email gets bounced, just some??
- From: "David Haam" <DavidH@xxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Mon, 27 Jan 2003 13:26:57 -0800
Try sending to that particular domain (and others like it) with the HELO
instead of EHLO setting in your SMTP server of Ex2K.
-----Original Message-----
From: Peter Forster [mailto:PForster@xxxxxxxxxxxxxx]
Sent: Monday, January 27, 2003 1:20 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Some email gets bounced, just some??
http://www.ISAserver.org
Hello again, I am having a strange situation on my ISA firewall/Exchange
2000 configuration. I publish to a secure mail server, the exchange 2k.
Mail goes out just fine to everyone, however some of the replies get
bounced as NDR. Here is a bit more from the NDR,
"A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
fname@xxxxxxxxxxx
SMTP error from remote mailer after end of data:
host mail.company.net [xx.xxx.xx.25]: 500 5.3.3 Unrecognized
command"
Could this be a content filter issue or mail application incompatibility
issue. Any help would be appreciated, Thanks. Peter
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