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Posted to users@spamassassin.apache.org by Kelson Vibber <ke...@speed.net> on 2004/08/09 17:39:16 UTC
Bonded Sender (was Re: Master List of Spam Evaluation
Measures?)
At 12:22 AM 8/8/2004, LuKreme wrote:
>On 06 Aug 2004, at 12:05, Lucas Albers wrote:
>>or register as a bonded sender.
>
>What exactly is a "bonded" sender and how does one become one?
Check the archives, or head over to www.bondedsender.com or
www.bondedsender.org.
It's a DNS-based IP address whitelist. You sign up with them, agree not to
send unsolicited mail from your servers, and post some money as a
guarantee. They hang onto the bond, and for each spam complaint against
you, they deduct money from it. As the complaints stack up, they remove
you from the list as well.
The idea is that legit senders will have few complaints, but spammers will
quickly lose all the money they put up.
SA uses it to deduct points, and there are rules/plugins on
www.bondedsender.org that you can add to other programs (including
sendmail, postfix, and qmail).
Kelson Vibber
SpeedGate Communications <www.speed.net>