[e2e] latest spate of cruft postings to e2e

[Joe Touch]

Ramaprabhu Janakiraman wrote:

> Instead of either/or, why not mix-n-match?
> 
> One solution:
> 
> 1) There will be a set of subscribers. Their email will be forwarded 
> unfiltered.  All non-subscriber email will be filtered.

User source names have been faked before. As a result, all mail is just 
filtered anyway.

> 2) First, there will be an automatic level-1 filter (L1) common to the list.
> L1 will classify each non-subscriber message into "Yes" (Definitely SPAM), "No"
> and "Maybe" cases.  The threshold between "Yes" and "Maybe" is set very
> conservatively (perhaps even to the point of eliminating the "Yes" case) 
> to get a negligible false positive rate. 

We already do that.

> 3) A "No" message is forwarded, and a "Yes" dropped, silently. 
> A "Maybe" from L1 will be forwarded to the "moderator" for approval. 

This is also already done.

Joe