http://blogs.msdn.com/tzink/archive/2009/06/26/my-take-on-blacklists-what-s-known-what-s-misunderstood-and-what-s-too-good-to-be-true.aspxOne of the stories that is circulating around the Internet this week is the announced imminent closure of the SORBS blocklist.&#160; Al Iverson of SpamResource has a good summary of it.&#160; SORBS has had its share of criticism in the past, however.&#160;enCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/tzink/archive/2009/06/26/my-take-on-blacklists-what-s-known-what-s-misunderstood-and-what-s-too-good-to-be-true.aspx#9806329Sat, 27 Jun 2009 07:33:35 GMT91d46819-8472-40ad-a661-2c78acb4018c:9806329Barry Leiba<p>Just a note: Are you aware of the documents coming out of the IRTF's AntiSpam Research Group (ASRG)?</p> <p>DNS Blacklists and Whitelists</p> <p><a rel="nofollow" target="_new" href="http://tools.ietf.org/html/draft-irtf-asrg-dnsbl-08">http://tools.ietf.org/html/draft-irtf-asrg-dnsbl-08</a></p> <p>This describes how DNSBLs work, technically, and specifically says nothing about management and policies. &nbsp;It was approved as an informational RFC in December, but seems to have stalled; I've just pinged the Area Director to see what's happened.</p> <p>Guidelines for Management of DNSBLs for Email</p> <p><a rel="nofollow" target="_new" href="http://tools.ietf.org/html/draft-irtf-asrg-bcp-blacklists-05">http://tools.ietf.org/html/draft-irtf-asrg-bcp-blacklists-05</a></p> <p>This is the one that talks about management of DNSBLs. &nbsp;It's intended as a BCP, but also went into an idle state. &nbsp;I've sent out an inquiry on that too.</p>