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I´m guetting an error 421 5.5.0 whem sending messages  from an exchange2007

Posted on 2009-07-07
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Last Modified: 2012-05-07
I´m guetting an error 421 5.5.0 whem sending messages  from an exchange2007 to a exchange 2003 behind a ISA2004, In the ex2003 side i´m able to receive mail from others exchange´s 2007 , any clue?
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Question by:rss_infor
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JoWickerman earned 500 total points
ID: 24792936
Hi rss_infor,

Have a look at this post:

http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/Q_21382224.html

Let me know if helps.

Cheers.
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Expert Comment

by:Subsun
ID: 24793252
Can you paste the full NDR message?
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Author Closing Comment

by:rss_infor
ID: 31600536
Because I had to change some DNS configurations
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