[76445] in North American Network Operators' Group
RE: verizon.net and other email grief
daemon@ATHENA.MIT.EDU (Christopher X. Candreva)
Fri Dec 10 14:56:23 2004
Date: Fri, 10 Dec 2004 14:55:55 -0500 (EST)
From: "Christopher X. Candreva" <chris@westnet.com>
To: nanog@merit.edu
In-Reply-To: <NIEMIGHPFNLLIKKFEAFIIEOKCFAA.garlic@garlic.com>
Errors-To: owner-nanog-outgoing@merit.edu
On Fri, 10 Dec 2004, Roy wrote:
> While I can't speak to what Verizon is using, Both Exim and Postfix have the
> very same feature called "address verification". Its in use at a number of
> ISPs. My systems reject 1000's of messages every day because of
> verification failures.
That would be 1000's of other people's servers getting traffic from you
because someone forged their address in the spam. You are effectively
doubleing the total load spam places on the net.
This doesn't scale.
==========================================================
Chris Candreva -- chris@westnet.com -- (914) 967-7816
WestNet Internet Services of Westchester
http://www.westnet.com/
