How do you stop the recent floods

[Chris Mason]

In the good old days, about six months ago, spam came from open relays,
Blackhole lists stopped most of it, and the combination of MailScanner and
Spamassassin stopped almost all of the rest of it. Then came these
spam-relaying virus ridden windows machines, and the torrent began. I am
seeing hundreds of emails in a couple of minutes from the same user, same
subject, all getting through. MailScanner does not stop them, and the
blackhole lists are useless against them.

Is there anything I can do?

Chris Mason

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