Date: Mon, 27 Jan 1997 20:47:13 -0500 From: patrick mcandrew <pmcandre@tiac.net> To: Steve <shovey@buffnet.net> Cc: freebsd-isp@freebsd.org Subject: Re: Spam from rival Message-ID: <32ED5AA0.22EFA880@tiac.net> References: <Pine.BSI.3.95.970130082211.24427D-100000@buffnet11.buffnet.net>
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Steve wrote: > > On Thu, 30 Jan 1997, Peter Hawkins wrote: > > > Today an New York based ISP spammed our entire customer base. The > > culprits are:" > > Easyway Communications,Inc. > > (www.easyway.net) > > > > I sent them a bill for the delivery of the mail (which I'm sure they will ignore) > > a) what more can I do? > > b) is it possible for us to treat such people by collectively routing > > their IPs to lo0 ? > > You can block access at the router level, with wrappers, or with filtering > in your freebsds. access control lists blocking port 25(smtp) from that domain would be eaiser, if you have a router like a cisco or whatever, not a unix box.
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