[ih] history of bounce processing, was update about bogus list unsubcribe requests

[John R. Levine]

> I can configure the system so I get a copy of the bounce messages, but I
> get a very large number of these for too many reasons -  and many aren't
> useful.

Oh, of course not.  That's why modern list managers have bounce handlers 
that try and do it all automatically.  Some, such as the late lamented 
MJ2, are really good, some less so.

> E.g., the list has many addresses that are themselves lists, ...

Wow, there's a blast from the past.

R's,
John