spf-discuss
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SPF + Challenge/Response

2004-01-13 06:51:40

Everyone,

In a world where SPF is normal, would it be unreasonable to challenge email
identified as spam (by a spam utility)?  My reasoning is that if an email
passes an SPF check, then my email system can be reasonably sure from where
the email came.  If an email is then identified as spam, a challenge could
be sent and if properly responded the email would be released....

I'm just somewhat adverse to spam filters (not SPF) because of false
positives....

Marc

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