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Jared Johnson 2014-11-03 16:14:51 -06:00
parent 0d149f0381
commit 289c5b2ca6
1 changed files with 6 additions and 4 deletions
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plugins/greylisting
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@ -7,10 +7,12 @@ greylisting - delay mail from unknown senders
=head1 DESCRIPTION
Plugin implementing the 'greylisting' algorithm proposed by Evan
Harris in http://projects.puremagic.com/greylisting/. Greylisting is
a form of denysoft filter, where unrecognised new connections are
temporarily denied for some initial period, to foil spammers using
fire-and-forget spamware, http_proxies, etc.
Harris in http://projects.puremagic.com/greylisting/ and defined in
RFC 6647: http://tools.ietf.org/html/rfc6647
Greylisting is a form of denysoft filter, where unrecognised new
connections are temporarily denied for some initial period, to foil
spammers using fire-and-forget spamware, http_proxies, etc.
Greylisting tracks incoming connections using a triplet (see TRIPLET). It
has configurable timeout periods (black/grey/white) to control whether