[11571] in North American Network Operators' Group
Re: An end to spam through Graphnet
daemon@ATHENA.MIT.EDU (Matthew White)
Fri Aug 1 20:55:22 1997
Date: Fri, 1 Aug 1997 20:50:45 -0400 (EDT)
From: Matthew White <mtw@user1.channel1.com>
To: Geoff White <geoffw@precipice.v-site.net>
cc: nanog@merit.edu
In-Reply-To: <Pine.SUN.3.95.970801142840.27468g-100000@precipice.v-site.net>
On Fri, 1 Aug 1997, Geoff White wrote:
> The current problem that I have is valid customers who are "on the road"
> and want to sendmail through my SMTP server when they dial into
> att or netcom, before their eudora's used to point their SMTP server
> at me, that ain't happenin' after my spam attach so is there some work
> around that they can use?
If your customers always use the same ISP, you could use the "Preventing
Relaying Through Your SMTP Port" ruleset provided at
http://www.sendmail.org/antispam.html
I have sucsessfully implemented this on our system. (It's pretty trivial)
-Matthew
Matthew White
Systems Administrator
Channel 1 Communications
617.864.0100
