[Mimedefang] SNARE spam detection

John Nemeth jnemeth at victoria.tc.ca
Wed Jul 29 16:52:33 EDT 2009

On Dec 19,  3:30pm, "Paul Murphy" wrote:
} >> Both operations look potentially expensive, and port-scanning the 
} >> sender means all our legitimate senders will soon see regular port 
} >> scans.
} >Yeah, the port-scanning looks troublesome, especially if you do it in
} real-time.
} In many cases (and both of the networks I run), that'll get you firewalled
} immediately.  Port scans are not friendly actions...


} Proper implementation of SPF or a similar system across all mail domains
} would cut spamming by 99% overnight, and would remove almost all of the risk

     Nonsense.  When SPF first came out the earliest adopters were the
spammers.  If you read what the real SPF zealots write, they claim that
it isn't an anti-spam solution.  But, I do like the idea of CSV.

} from phishing mails.  Don't re-invent the wheel - just get the design from

     Something that would be nice here would be a DNSBL style list that
sites could use for checking outgoing mail to prevent endusers from
sending mail to phishers.

}-- End of excerpt from "Paul Murphy"

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