Usually indicates a bad remote SMTP response to EHLO. But if the other can
send it may be you are sending to a group of email servers and all are not
configured the same or a firewall issue
Just a guess
----- Original Message -----
From: "Exchange Server" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[EMAIL PROTECTED]>
Sent: Tuesday, June 25, 2002 3:12 PM
Subject: Weird NDR
I am having a weird problem. I have users in my company that can send
email just fine to a particular email address. But I have other users
that get the following NDR when they send to the same address. This is
a single Exchange2K server, sp2. Everyone is configured the same.
Any ideas?
Your message did not reach some or all of the intended recipients.
Subject: test
Sent: 6/24/2002 5:05 PM
The following recipient(s) could not be reached:
'[EMAIL PROTECTED]' on 6/24/2002 5:05 PM
There was a SMTP communication problem with the recipient's
email server. Please contact your system administrator.
<gipper.TelPro1.com #5.5.0 smtp;553 Authentication is
required to send mail as <[EMAIL PROTECTED]>>
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