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550 5.7.1 Unable to relay for ... external mail

Posted on 2004-08-25
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Last Modified: 2008-03-10
I have a network, Exchange 2000, IIS. I also have a web page with APS code that sneds out emails using CDONOTS or ASPMAIL components. When I send an email with this code locally, the email reaches its destination. BUt if I put in the external email address, it gives me the error:
550 5.7.1 Unable to relay for me@yahoo.com
This sounds like a common problem. What settings should I change.
Thank you very much.
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Question by:Vadymus
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meverest earned 120 total points
ID: 11918573
hi,

in smtp server properties, under relay control, check 'deny relay for all except the following' and then enter the local network address (eg 192.168.0.0 mask 255.255.255.0) as well as local host 127.0.0.1

cheers,  Mike.
 
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Author Comment

by:Vadymus
ID: 11935199
hm, I cannot find smtp server props. Is it in IIS and then right-click the server's name and select properties?
thank you...
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Author Comment

by:Vadymus
ID: 11936292
ha... it worked nicely and smoothly
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