[Asrg] Software bashing [mostly OT, but on at the end]

[John Johnson]

Franck Martin wrote:
> This seems an interesting thread and an interesting way of fighting spam.
>
> Can we get more info and stats on the correlation of spam and fingerprinting of the OS?
>
> We are a research group after all.
>
> Now what happens to all the small businesses that use MS-Exchange to send email?
>   

Please take a look at the following paper - it appears it would impact
MS-Exchange less than you would imagine.

http://www.sans.org/reading_room/whitepapers/email/zombie_profiling_with_smtp_greylisting_33008

for a working sendmail specific milter example, I found this interesting:

http://www.elandsys.com/scam/