On Tue, 21 Feb 1995, Maynard Calkin wrote:
> Two interesting behaviors in 1.8b:
>
> First, we have several nested lists. LISTSERV is now generating a
> Received: and Return-Path: header for every level of the list causing
> an explosive jump in the length of mail headers.
>
> Second, LISTSERV has taken it upon itself to determine what
> constitues a "SPAM" and disables the offending userid for 48 hours.
 
Actually, this SPAM detection seems to also be related to our
multiply-nested lists.  If SPAM detection wouldn't flag email which came
from another email list, that would be a better fix for problem #2 than
having us turn off SPAM detection completely.
 
-david