North American Network Operators Group
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Re: An end to spam through Graphnet

  • From: Matthew White
  • Date: Sat Aug 02 23:52:24 1997 
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