[77124] in North American Network Operators' Group
Re: marking dynamic ranges, was fixing insecure email infrastructure
daemon@ATHENA.MIT.EDU (John Levine)
Thu Jan 13 15:57:34 2005
Date: 13 Jan 2005 20:57:05 -0000
From: John Levine <johnl@iecc.com>
To: nanog@nanog.org
In-Reply-To: <41E64BBF.8000500@nrg4u.com>
Cc: nanog-list@nrg4u.com
Errors-To: owner-nanog-outgoing@merit.edu
>What is wrong with MTAMARK?
>MTAMARK tags the reverse entries of IP addresses where SMTP servers
>are. Fixes this problem very fast, efficient and with little effort
>(script magic to regenerate the reverse DNS entries).
In priciple, nothing. In practice, the rDNS is a mess and I don't know
many people who think it's likely to get cleaned up enough that we can
expect to put in all the MTA MARK entries.
--
John R. Levine, IECC, POB 727, Trumansburg NY 14886 +1 607 330 5711
johnl@iecc.com, Mayor, http://johnlevine.com,
Member, Provisional board, Coalition Against Unsolicited Commercial E-mail
