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Need help setting up email forwarding from spam host to Exchange behind a Sonicwall

Posted on 2009-07-04
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Last Modified: 2012-05-07
I have an offsite spam filtering solution that all of our mail is routed to first and then forwards mail to our Exchange Server that sites behind a Sonicwall. Incoming mail is rejected with a "recv: 550 5.7.1 Unable to relay for . . ." error.
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Question by:timdoll
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3 Comments
 
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Expert Comment

by:rizwanidrees
ID: 24776358
all IP if your spam server to relay in send connector (Exchange 2007), smtp settings in exhcnage 2003
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Alan Hardisty earned 250 total points
ID: 24776361
Is your Exchange server set to be authoratitive for your domain?
http://support.microsoft.com/kb/823158
If it is not authorative, then you will get bouncing messages.
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by:timdoll
ID: 31599741
Thanks alanhardisty - that was it.
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