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Error 5.5.0 SMTP 554 - 26.Aug.2005 3:38:00 PM

Ushpa

Posts: 3
Joined: 26.Aug.2005
From: Lima
Status: offline

When I send a new e-mail to a domain (my partner), the mail arrives ok, but when I re-send other e-mail to same domain, I get the next error:

...
<host.mydomain.com #5.5.0 smtp; 554 Message rejected for policy reasons.>

the e-mail is only plain text.

Exchange Server 2000 SP3 (with post SP3)
Windows 2000 SP4 (with post SP4)

What happen?

Regards

Post #: 1

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RE: Error 5.5.0 SMTP 554 - 26.Aug.2005 5:30:00 PM

manojp

Posts: 103
Joined: 23.Aug.2005
From: Mumbai
Status: offline

Hey seems like the destination domain has two MX records.

Using telnet you can test and find if that the server at one of the MX IP's is the one that
always rejects the message.
When a connection is made to the other IP address, the message delivers.

Check this KB

http://support.microsoft.com/?id=300171

Ad per KB 284204

Possible Cause: Generic protocol error SMTP error. The remote SMTP response to our EHLO with a 500 level error and the sending system will QUIT the connection and report this with NDR indicating the remote SMTP server cannot handle the protocol. (For example, if a Hotmail account is no longer active, a 550 SMTP error will occur.

Manoj

(in reply to Ushpa)