Security Incidents mailing list archives

Re: Massive SPAM Increase


From: Graeme Fowler <G.E.Fowler () lboro ac uk>
Date: Tue, 10 Oct 2006 00:00:01 +0100

On Mon, 2006-10-09 at 01:01 -0400, jim barchuk wrote:
I think it's business as usual, on new millenium designer steroids. :)

I don't glance at headers any more, but I have a magic widget on several
servers I run doing something like this:

http://www.graemef.net/rejections.png

That specific server only handles email for three domains, so it isn't a
huge sample (and it does use SpamHaus' SBL-XBL which others may find
poisonous) but I have also seen a big increase in the last four weeks.
OK, < 1 message/sec to > 1 message/sec ain't that much, but still - in
percentage terms you can see it from the (static) graph.

Anything to do with universities starting up, maybe? I work for one so
I'm only equating workload to spam load here, but it's still a
possibility.

Graeme


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