On Wed, 21 Jan 2004, Kevin Parris wrote:

>There was some discussion recently, but I don't recall if it was here or
>in LSTSRV-L, about mail merge options and having the subscriber details
>inserted by way of a Bottom_Banner or other message template.  That
>wouldn't give the full header you requested, but it would identify the
>original subscriber responsible for your traffic.  And it depends on the
>MTA your list host site is using, I believe only LSMTP(tm) provides the
>required support.
>
>All the lists on my site use the auto-delete option, so eventually
>traffic such as you're seeing would show up with probe info anyway.

Thanks for the idea. Unfortunately, the list in question is not hosted on
a system that uses LSMTP, although we are slowing migrating in that
direction. I am going to force a probe on this errant list to see if
that reveals anything helpful.