forged From:

Spicer, Kevin Kevin.Spicer at BMRB.CO.UK
Wed Jul 16 15:08:17 IST 2003

Rob V wrote:
> Has Anyone got a way to block or detect a forged From: address.
> I am getting spam sent to us with forged From (they are putting that
> the mail is from someone at our domain)
> Since we do not scan our own domain these messages are getting in no
> problem. Any help or suggested would be appreciated.

You should not whitelist your own domains by their domain name, instead you should whitelist trusted internal servers by IP, or your IP address blocks.

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