[142284] in North American Network Operators' Group
Re: Address Assignment Question
daemon@ATHENA.MIT.EDU (John Levine)
Mon Jun 20 17:57:44 2011
Date: 20 Jun 2011 21:55:10 -0000
From: "John Levine" <johnl@iecc.com>
To: nanog@nanog.org
In-Reply-To: <A25F069E-5AAC-487F-956B-D6931577D751@dds.nl>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> An organization that blocks 90% of spam with no false positives is
>incredibly useful.
>Using a greylisting system is equally effective without the black
> list part.
Hi. I'm the guy who wrote the CEAS paper on greylisting.
Greylisting is useful, but anyone who thinks it's a substitute for
DNSBLs has never run a large mail system.
R's,
John
