On Fri, Apr 04, 2014 at 09:45:23AM -0700, johnea wrote:
> One idea that I've been considering is to eliminate mail that
> shows up for multiple (unrelated) users, on different domains,
> within a short amount of time.
Like postings to this list for example? What makes a set of users
"unrelated"? Which groups of users belong to the same "secret
society", sign-up for flight discount promotions from an online
travel agency, attended the same school 24 years ago and someone's
planning a reunion, ...
> I've noticed (I'm sure this isn't original) that SPAM messages
> often show up for many users across different domains all at once.
This sounds like a strategy with a high likelihood of false positives.
--
Viktor.
