funsec mailing list archives

Re: Why spam blacklisting isn't going to work anymore ...


From: "Rob, grandpa of Ryan, Trevor, Devon & Hannah" <rmslade () shaw ca>
Date: Fri, 15 Apr 2011 22:51:33 -0800

As long as we're on the subject:

Once again, in a month and a half, Shaw has disabled my outbound email.

For no particular reason.

Oh, sure, the error code says 554, rejected due to poor reputation.  So, like
before, I do a lookup.  (For those interested in the stability of DHCP, my IP
address is still the same, a month an a half later.  Even after being away for
two conferences, and a short vacation.)  So, once more, I look up
http://www.senderbase.org/senderbase_queries/detailip?search_string=70.79.166.16
9

This time there is even less information.  Google groups, SpamCop, 
dnsbl.njabl.org, bl.spamcop.net, cbl.abuseat.org, sbl.spamhaus.org, and 
pbl.spamhaus.org all say I'm clean.  (dnsbl.sorbs.net refuses to say anything,
oddly.)

RFC-Ignorant.Org does say, again, that Shaw itself is questionable.  So, does
that mean all Shaw clients are silent tonight?  How big of a CIDR does this
affect?  (And why?)  How come I'm the guy who gets picked on?

Once again, Shaw's "help" "Support" line is of no use.  This time around "Jason"
tells me I just have to be patient: the spam guys are looking into something. He
won't venture any guesses as to what the something is.

{This message sent via the kind offices of a friend, in Australia, who has
kindly let me use the SMTP port on his domains.)


======================  (quote inserted randomly by Pegasus Mailer)
rslade () vcn bc ca     slade () victoria tc ca     rslade () computercrime org
    Security Glossary:    http://victoria.tc.ca/techrev/secgloss.htm
victoria.tc.ca/techrev/rms.htm http://www.infosecbc.org/links
http://blogs.securiteam.com/index.php/archives/author/p1/
http://twitter.com/rslade
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