[Mimedefang] Enlisting registrars in fighting phishing and other scams
David F. Skoll
dfs at roaringpenguin.com
Wed Aug 22 13:05:00 EDT 2007
Jan-Pieter Cornet wrote:
> Another point is, as someone (RfG) on another mailinglist found out
> the hard way... if you "whois" every new domain that you see in email,
> even if you just run "whois" once for every domain, you are likely to
> hit query threshholds for whois services, and you are blacklisted as
> an abuser.
Also, there's a trivial way around this. Register all your 1000 domains
on the same day. Wait a couple of weeks. Then start using them.
What you really want to penalize is mail from a domain that has only
been spotted sending mail recently. That, however, is very hard
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