Date: Sun, 07 Sep 1997 11:06:28 -0500 From: Webmaster <webmaster@mexcom.net> To: Stavros Patiniotis <stavros@esc.net.au> Cc: questions@FreeBSD.ORG Subject: Re: Spammers Relay/use of SMTP Message-ID: <3412D104.3F84DB52@mexcom.net> References: <199709070630.QAA27261@bang.esc.net.au>
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Stavros Patiniotis wrote: > > > > On Sep 09, 1996 at 09:21:35AM -0500, Adam L. Simpson wrote: > > > Hello: > > > > > > Does anyone have a good way to stop spammers from using my mail server > as a > > > relay/smtp wothout shutting down smtp? > > > > Yup. Go visit http://www.sendmail.org, and install one of the > > check_rcpt rulesets for your mailer. This will allow you to > > limit who you want to relay to. > > If you would like, I can post a *really* nice set of rule sets, which will > allow you to specify a (group of) host which can relay through your system > in the format of Class A,B,C or individually. All the rulesets that where > listed in the sendmail pages required you to individually list each host! > (a pain in the ***). Another really nice ruleset is the DNS lookup one in > which the RCPT address must resolve ;) > > Seeya > stavros@esc.net.au I would be very interested. TIA ed
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