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smtp;554 invalid data encoding [LF.CRLF]

Posted on 2006-11-12
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Last Modified: 2008-02-01
I have this Exchange 2003 SP2 distribution list. Some of the members of the list are external users with an external email address (yahoo, AOL, Comcast some other companies etc). Every time someone in the distribution list send a mail, the mails to the users at Comcast bounced back with the following error message:
 
Reporting-MTA: dns;mail.xxx.ORG
Received-From-MTA: dns;sccrmhc15.comcast.net
Arrival-Date: Wed, 8 Nov 2006 15:56:27 -0500

Final-Recipient: rfc822;user.email@comcast.net
Action: failed
Status: 5.5.0
Diagnostic-Code: smtp;554 invalid data encoding [LF.CRLF]
221 sccrmxc21.comcast.net
X-Display-Name: my name
 
Is there any particular reason why those users cannot receive emails from the distribution list ?
What does invalid data encoding [LF.CRLF] means anyway?
Any help will be appreciated
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Question by:JeeSs0930
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by:Vahik
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i love this explanation of LF CRLF ....i hope u will also find it intresting

http://www.websiterepairguy.com/articles/os/crlf.html


as to how to solve ur problem....try sending them in plain text....
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by:JeeSs0930
Comment Utility
I fixed my self,

This is what I did,

I added a SMTP connector on my exchange server to relay all my outbond email through my ISP.

http://www.amset.info/exchange/smtp-connector.asp
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by:redseatechnologies
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In that case I change my recommendation to

PAQ: Refund

-red
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