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On Thu, Jul 12, 2007 at 07:19:06PM -0700, Marc Perkel wrote:
> SPF is rather useless. Spammers can publish SPF records.

Right, they can publish SPF records, so what? You want to know if
example.com is coming from a place that mail from example.com is supposed
to come from, and SPF tells you that. It has nothing to do with ham
versus spam, and gives you better information than just requesting a
PTR record.

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