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SMTP gateway : how to block spoofing mail ?


SMTP gateway : how to block spoofing mail ? moi
12/5/2005 10:55:31 AM
iis smtp nntp:
Hello,
I have made an SMTP gateway with IIS (windows server 2003 SP1) and i put
anti-relaying control.
The trouble is spoofing mail :
Someone could use my smtp gateway as its smtp mail server to send mail to my
domain with a false from field like : john@mydomain.com
How to block this kind of mail ?

Thanks a lot..

Re: SMTP gateway : how to block spoofing mail ? Mr. Backup
12/8/2005 11:35:10 AM
Well... use SPF filtering.

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