Posted Jun 3, 2004 17:34 UTC (Thu) by erwbgy
Parent article: A look at SpamAssassin 3.0
I find that requiring sender confirmation for unknown addresses cuts
down on my spam significantly. I use
qconfirm, but I'm sure there
Any message from an unknown sender gets an automatic reply requesting
that they confirm that they sent the message. Once they reply, the
message ends up in my mailbox and the sender gets added to a whitelist.
If no reply is received within a week then the message is discarded.
Since spammers tend to use throw-away or invalid From addresses, they
never reply. Humans generally have no problem in dealing with this
There are of course ways to automatically whitelist certain addresses
or domains, and you can view and manage the currently queued messages.
All in all, a very nice tool and a worthy addition to the anti-spam
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