Re: Why will SPF stop SPAM.

> Why can't a spammer create many domains, and use an SPF record like this: 
> "v=spf1 +all".
> Now any hijacked system can send email, but they must use a real domain 
> owned by the spammer.
The 'real domain owned by the spammer' is the part that is relevant here. 
Instead of sending spam with my domain as the 'from' address, it will have 
one owned by the spammer. That is all SPF does.
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Take care,
Tom Corwine