Matching domain to sender.

Matt Kettler mkettler at EVI-INC.COM
Wed Feb 2 17:20:37 GMT 2005

At 09:09 AM 2/2/2005, David Curtis wrote:
>I have not seen this setting and thing that it might prevent a ton of
>spam. I may be wrong. Just your normal System super human
>Can you run some rule to check the senders ip and or domain name and
>match that to the mail from address?

One word of caution with this. Don't expect this to be have a low
false-positive rate. It's very common to use MX's which mismatch the domain
name of the server.

For example, acts as the outbound MX for both
mkettler at and mkettler at

Really, this is what SPF is for.

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