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error 450 4.5.0 No recipient succeeded

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error 450 4.5.0 No recipient succeeded - 31.Mar.2009 11:38:30 AM   
sgarciabat

 

Posts: 63
Joined: 30.Jan.2009
Status: offline
Hi everybody,

I see that I have several problems to send e-mails to one domain. In the queue of my Edge Server appears...... 450 4.5.0 No recipient succeeded.

I have no problems to send messages to others domains....
Any ideas?

Thanks a lot !!!!!!
Post #: 1
RE: error 450 4.5.0 No recipient succeeded - 1.Apr.2009 2:12:18 PM   
jveldh

 

Posts: 2335
Joined: 12.Apr.2008
From: The Netherlands
Status: offline
Hi,

First check your external dns, it should contain a ptr record the the a-record you are sending mail from. Also check the EHLO/HELO name which is to from the edge server when sending mail.

Also try to perform a test with telnet and make a connection to the mailserver of the specific domain. If this doesn't work also this will exclude the configuration for a specific part.



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Johan Veldhuis

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(in reply to sgarciabat)
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