[142288] in North American Network Operators' Group
Re: Address Assignment Question
daemon@ATHENA.MIT.EDU (Seth Mos)
Mon Jun 20 18:10:11 2011
From: Seth Mos <seth.mos@dds.nl>
In-Reply-To: <20110620215510.2627.qmail@joyce.lan>
Date: Tue, 21 Jun 2011 00:08:34 +0200
To: "John Levine" <johnl@iecc.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Op 20 jun 2011, om 23:55 heeft John Levine het volgende geschreven:
>> An organization that blocks 90% of spam with no false positives is
>> incredibly useful.
>=20
>> Using a greylisting system is equally effective without the black
>> list part.
>=20
> Hi. I'm the guy who wrote the CEAS paper on greylisting.
>=20
> Greylisting is useful, but anyone who thinks it's a substitute for
> DNSBLs has never run a large mail system.
We use the black lists for scoring spam messages, but we never outright =
block messages. I was not implying that blacklists are not useful at =
all. I just see things in shades of grey over black and white.
Of the 17 domains we have with roughly 250 users it does well enough.
Regards,
Seth
