1) Razor technology integrated (To check against known spam) http://razor.sourceforge.net/" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - http://razor.sourceforge.net/" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - http://razor.sourceforge.net/
Vipul's Razor is a distributed, collaborative, spam detection and filtering network. Through user contribution, Razor establishes a distributed and constantly updating catalogue of spam in propagation that is consulted by email clients to filter out known spam. Vipul's Razor is a distributed, collaborative, spam detection and filtering network. Through user contribution, Razor establishes a distributed and constantly updating catalogue of spam in propagation that is consulted by email clients to filter out known spam.
2) Sender Permitted From (SPF) support http://spf.pobox.com/" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - http://spf.pobox.com/" CLASS="ASPForums" TITLE="WARNING: URL created by poster. - http://spf.pobox.com/
With these two functions, Spamfilter ISP could be almost 100% effective at removing spam along with its current rbl/blacklist/Bayesian filtering.
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