On 02/Dec/11 12:35, Tony Finch wrote:
John Levine <johnl(_at_)taugh(_dot_)com> wrote:
This isn't really relevant to the topic under discussion, which is really
that the "legitimate" mail sent around on corporate mail systems is
hardly any better than the spam.
I call it "intraspam". Very hard to deal with.
Harder than interspam? Paul's "Great Cascade" case, as well as
seem to be issues about proper use of (proper) mailing lists.
IMHO, the effectiveness of ordinary spam filtering is a sort of
illusion brought about by big numbers law. For example, some claim
that it is highly effective to reject based on geoip lookups...