Date: Tue, 15 Feb 2005 03:58:01 -0800 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "Adi Pircalabu" <apircalabu@bitdefender.com>, <freebsd-questions@freebsd.org> Subject: RE: mx2.freebsd.org in SORBS, AGAIN! Message-ID: <LOBBIFDAGNMAMLGJJCKNKEGNFAAA.tedm@toybox.placo.com> In-Reply-To: <20050215121454.2be41735@apircalabu.dsd.ro>
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> -----Original Message----- > From: owner-freebsd-questions@freebsd.org > [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Adi Pircalabu > Sent: Tuesday, February 15, 2005 2:15 AM > To: freebsd-questions@freebsd.org > Subject: Re: mx2.freebsd.org in SORBS, AGAIN! > > > On Sat, 12 Feb 2005 03:18:17 -0800 > "Ted Mittelstaedt" <tedm@toybox.placo.com> wrote: > > > A spammer is forging several of SORBS spamtrap e-mail > > addresses on their outgoing spams. The spams hit freebsd.org > > which of course is bouncing them back to the sender, which > > is in this case is the spamtrap e-mail addresses. This > > triggers the SORBS autolisting. > > Well, in this case, how about avoiding bounces completely? > Bouncing to a > forged sender address is not the most clever (re)action these days. > Spammers and viruses abuse this succesfully (you pointed this very > well). > I belive that deleting (maybe dropping, tarpitting or deffering - > adjust to taste) these bad bad messages is a better idea. > Once you can figure out how to program the FreeBSD mailservers to determine exactly which incoming message is spam that needs to be dropped, and which is a legitimate message that is just perhaps misspelled and needs to be returned to the sender, your life wouldn't be worth a plugged nickel because every spammer on the face of the Earth would be gunning for you. ;-) Better yet is figuring out how to program a mailserver to determine which incoming mail senders address is the forged one, and which is the real one. A forgery wouldn't be much good if they forged an invalid e-mail address, now would it? ;-) Ted
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