Date: Fri, 4 Apr 1997 20:28:15 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: jadeite <jadeite@light.pomona.edu> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: logging into mail port Message-ID: <Pine.BSF.3.96.970404202619.2591E-100000@localhost> In-Reply-To: <Pine.BSF.3.95q.970403221729.8725A-100000@light.pomona.edu>
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On Thu, 3 Apr 1997, jadeite wrote: > How do I prevent people from telnetting to the mail port and sending out > mail with a fake username and hostname? How restrictive do you want to be? Unfortunately it's very difficult to separate junkmail from real mail, so you either have to do some IP filtering or wholesale disable sendmail. You might check the sendmail documentation at http://www.sendmail.org/ for hints. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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