spammer using cancel evading technique

Jeffrey M. Vinocur jeff at
Fri Dec 5 02:54:00 UTC 2003

On Fri, 5 Dec 2003, Tomasz R. Surmacz wrote:

> OK - maybe the right place is to put it in the Perl filtering rules.
> But to make it work, is should be the default behaviour of all the news
> servers, otherwise we will end up with islands of servers doing this
> <cancel.*> verification, surrounded by default servers not doing it and
> preventing real cancel.* messages from reaching the net.

That's pretty much unavoidable, but you can try.  As long as every server 
with this feature peers with at least one other, you won't get the 

Probably submitting a Cleanfeed patch (to Marco) is the closest to
universal dissemination you're going to get.

Jeffrey M. Vinocur
jeff at

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