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Re: [cobalt-users] Re: speaking of spam...
- Subject: Re: [cobalt-users] Re: speaking of spam...
- From: flash22@xxxxxxx
- Date: Fri Feb 9 21:00:55 2001
- List-id: Mailing list for users to share thoughts on Cobalt products. <cobalt-users.list.cobalt.com>
On Fri, 9 Feb 2001, Carrie Bartkowiak wrote:
> Does anyone know what the message looks like when someone who's in the Spam
> list gets their junk bounced back to them?
> I'd sure love to find a way to add a little personal message when my server
> rejects their mail.
> (Depending on my mood when I set it, anything from "If you feel you've been
> added to our list in error..." to "Spam someone else you dork!" or even a
> 3-page dissertation on UCBE and its effect on the Internet - you know how
> wordy I can be... <evil grin>)
> Carrie
A fun idea, certainly, tho unfortunatly not practical, if they use an open
relay to spam, there is almost no way to determine the real origin address
to which a reply could be sent....you would most like just generate lots
of bounces to non-existant hotmail/yahoo/msn email accounts...sigh
In a few more decades everyone will use secure email ;0
if you just want to get a small satisfaction, do this:
grep "reject=" /var/log/maillog
See fun things like...
Feb 4 19:40:09 admin sendmail[16798]: TAA16798: ruleset=check_rcpt,
arg1=<peanut@xxxxxxxxxxxx>, relay=root@xxxxxxxxxxxxxxxxxxxxxxx
[216.91.127.35], reject=550 <peanut@xxxxxxxxxxxx>... Relaying denied
*Slam* ;)
Feb 4 21:17:54 admin sendmail[17664]: VAA17664: ruleset=check_mail,
arg1=<E29383@xxxxxxxxxxxxxxx>, relay=[203.234.215.1], reject=451
<E29383@xxxxxxxxxxxxxxx>... Sender domain must resolve
(The last one has been trying really hard to send me an email, it's tried
186 times..., -/)
You also get to see the clever attempts ...
arg1=<Onlineapproval>, relay=rsvp-208-187-135-43.ac17.rcrd.eli.net
[208.187.135.43],
reject=553 <Onlineapproval>... Domain name required
(I guess someone figured if i didn't allow their domain name they would
try no name at all;)
The ones that match your spam list will give you this tho...
NOQUEUE: ruleset=check_relay, arg1=SMTP-O
UT003.ONEMAIN.COM, arg2=63.208.208.73, relay=SMTP-OUT003.ONEMAIN.COM
[63.208.208.73], reject=550 Mail rejected due to possible SPAM
Now you know you avoided yet another stupid get rich quick email -/
gsh
ps: there are actual logs from the last week, feel free to use the IP
addresses, none of these have bothered to reply to my abuse@ 's ;0