[65610] in North American Network Operators' Group
Re: AOL rejecting mail from IP's w/o reverse DNS ?
daemon@ATHENA.MIT.EDU (Dave Howe)
Wed Dec 3 12:33:33 2003
From: "Dave Howe" <DaveHowe@gmx.co.uk>
To: "Email List: nanog" <nanog@nanog.org>
Date: Wed, 3 Dec 2003 17:29:16 -0000
Errors-To: owner-nanog-outgoing@merit.edu
Jeffrey Paul wrote:
> Perhaps I'm being naïve, but this seems like a very good way to cause
> spammers to suddenly start having valid PTR RRs. Thoughts?
or limiting attacks for relay/proxy/trojan purposes targets that have valid
PTR records.... which of course ideally should be all of them.
