An end to spam through Graphnet
mtw at user1.channel1.com
Sat Aug 2 00:50:45 UTC 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
I have sucsessfully implemented this on our system. (It's pretty trivial)
Channel 1 Communications
More information about the NANOG