From 289c5b2ca6e23ca9a3b53ea2d4fe7573b7f7a942 Mon Sep 17 00:00:00 2001 From: Jared Johnson Date: Mon, 3 Nov 2014 16:14:51 -0600 Subject: [PATCH] Add RFC link --- plugins/greylisting | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/plugins/greylisting b/plugins/greylisting index 654b64e..3273fbe 100644 --- a/plugins/greylisting +++ b/plugins/greylisting @@ -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