RE: Email bounsed back on reply

  • From: "MJ" <mjtech@xxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Mon, 27 Feb 2006 18:55:45 -0500

1. make sure you have a reverse DNS entry for your external domain
(Organization Name)
2. go to and make sure your domain name is not black listed
by any chance.

Hope that helps

-----Original Message-----
From: Todd Zajicek [mailto:toddz@xxxxxxxxxxxx]
Sent: Monday, February 27, 2006 6:15 PM
To: [ExchangeList]
Subject: [exchangelist] Email bounsed back on reply

Hello; we have an Exchange email server that has a couple of different
organizations on it.  The past month, one organization has been receiving
bounced emails back to the original sender if receiver replies to the
original organizations email.  If the out side company sends an email
directly to the person in the organization, they can send it with no
Here is part of one of the bounced back emails;

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:

    SMTP error from remote mail server after end of data:
    host []:
    550 5.7.1 Message Rejected SCL = 9

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