Date: Tue, 29 Jul 1997 08:29:59 +1000 (EST) From: Andrew Perry <andrew@python.shoal.net.au> To: freebsd-chat@freebsd.org Subject: Re: bouncing mail from sites without a valid MX/A record Message-ID: <Pine.BSI.3.95.970729082615.11052B-100000@python.shoal.net.au> In-Reply-To: <199707282109.QAA17786@compound.east.sun.com>
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This raises an interesting question, for me anyway. Once again I've managed to get spam on a new machine, with an e-mail address that I've only ever used to send to the lists. Is this hotmail mob that spam people the same lot that offer free e-mail accounts? And is it possible that they somehow examine all the headers of mail sent to any of their "free" users in order to increase the size of their spam lists? Like, if I send mail to the list and one of the recipients uses hotmail could I then manage to get myself of the spam list? Andrew Perry andrew@shoal.net.au On Mon, 28 Jul 1997, Tony Kimball wrote: > Date: Mon, 28 Jul 1997 16:09:40 -0500 (CDT) > From: Tony Kimball <Anthony.Kimball@East.Sun.COM> > To: ahd@kew.com > Cc: chat@FreeBSD.ORG > Subject: bouncing mail from sites without a valid MX/A record > > [Again, I redirect to chat.] > > Quoth Drew Derbyshire on Sat, 26 July: > : > : Actually, this nukes about ~ 20 - 60 % of the SPAM off the top. > : Sites don't like their good name used by spammers, so many SPAM > : generators just generate random all number domains in .COM. > : > > Hmm. I've received about 198 spam messages in the past 3 months. I > don't find *any* tainted by bogus domains. Nary a one. In fact, they > all have valid MX records deducible from the headers, although in many > cases there is no identifiable mailbox at the corresponding smtp host. > The top three sources account for 75% of all spam recieved, and they > are Cyber Promotions, Juno, and HotMail. > > My sample may not be statistically representative, but it is at least > *reality-based*. I'd like to learn of more broadly representative > studies. > > > > >
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