As far as I've seen, a lot of spam mutates in a trivial manner to avoid 
razor1. This usually consists of some weird jumble of characters on the 
last line, like this one:

2116msVz4-700AzuY5418EMwg7-752Rzau6586BboI8-901dfiF9532UHAl55

I've not seen many "standard" spams mutate significantly, with the 
exception of the Nigerian scam. This seems to mutate quite extensively with 
new names, places, and stories each month, but the general idea is the same.

I've also seen one spam that I can only guess was a lazy attempt to avoid 
Razor2.. they took one of the "standard" spams (I think it was the mail the 
5$ one) and deleted every 5th character or so throughout the whole message. 
This left the message more or less unreadable, but it probably did not 
match the Razor2 hashes of the original :)


At 11:12 PM 9/30/2002 -0400, Jon Oringer wrote:

>Anybody have any stats on how much of spam is the mutating sort?
>And how much is just static non-changing content?
>
>-Jon



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