nanog mailing list archives
Re: An end to spam through Graphnet
From: dhudes () graphnet com (Dana Hudes)
Date: Mon, 04 Aug 1997 11:58:30 -0400
J.D. Falk wrote:
On Aug 1, Geoff White <geoffw () precipice v-site net> wrote:Let this be an object lesson to those of you out there whohaveyet to upgrade: the spammers will find you sooner or later.And once they've found you, they will keep on relaying through you until you make it impossible for them to do so.
Believe it folks! These characters are persistent and once one finds you the rest follow.
Can anyone elaborate a little more on the "one true" set ofproceduresthat one should take to prevent spammers from abusing onesresources. It varies depending on what your situation is, and how smart you expect your customers to be.The current problem that I have is valid customers who are"on the road"and want to sendmail through my SMTP server when they dialintoatt or netcom, before their eudora's used to point their SMTPserverat me, that ain't happenin' after my spam attach so is theresome workaround that they can use?The /best/ idea is to have them use a local SMTP server. If they can't or won't do that, there are a few recipes floating around that let you exempt messages from specific sources; I haven't investigated those much, but they're out there.
If someone had a fixed IP address I could theoretically allow that one through my router filters but that's just begging for IP spoofing.
********************************************************* J.D. Falk voice: +1-415-482-2840 Supervisor, Network Operations fax: +1-415-482-2844 PRIORI NETWORKS, INC. http://www.priori.net See us at ISPCON '97, booth #501 "The People You Know. The People You Trust." *********************************************************
Current thread:
- An end to spam through Graphnet, (continued)
- An end to spam through Graphnet Dana Hudes (Aug 02)
- Re: An end to spam through Graphnet Geoff White (Aug 02)
- Re: An end to spam through Graphnet Matthew White (Aug 02)
- Re: An end to spam through Graphnet Greg A. Woods (Aug 02)
- Re: An end to spam through Graphnet Michael Dillon (Aug 02)
- Re: An end to spam through Graphnet J.D. Falk (Aug 02)
- Re: An end to spam through Graphnet Jon Lewis (Aug 02)
- Re: An end to spam through Graphnet Keith McCallion (Aug 02)
- Re: An end to spam through Graphnet John-David Childs (Aug 02)
- Re: An end to spam through Graphnet Greg A. Woods (Aug 02)
- Re: An end to spam through Graphnet Geoff White (Aug 02)
- Re: An end to spam through Graphnet Dana Hudes (Aug 05)
- An end to spam through Graphnet Dana Hudes (Aug 02)
- Re: An end to spam through Graphnet DAVE NORDLUND (Aug 05)