Re: [anti-spam-wg] About DNSBLs vs greylisting - Was: Steve Linford and Spamhaus Internet Terrorists
From: Jesus Sanz de las Heras <jesus.heras@localhost
Date: Mon, 21 Aug 2006 16:40:16 +0200
Using greylisting alone will be soon almost unuseful.
Maybe, but it's stopping a lot of junk for us :)
DNSBL too block a lot of spam. Which could be the difference of using
greylisting and DNSBL returning code errors "450 Service temporary
xxx@localhost (reason: 450 Service temporarily unavailable; Client host
[18.104.22.168] temporarily blocked using bl.spamcop.net - see
It's a soft way to use DNSbl without collateral damage.
Jesús Sanz de las Heras