>Second question:  When listserv sends mail to multiple addresses at a
>single node (through internet, not bitnet) does it send multiple
>messages or a single message with multiple recipients.  Have some
>bouncing mail with no listing of who the problem id is and can't see it
>in the attached problem message.
 
Depending on the list's default options, subscriber's personal
option, mail is usually "batched" via the LISTSERV Distribute
algorithm and individual users are not identified in the
RFC822 TO: field.  Many MTAs (mailers) will bounce with an
appropriate userid@node shown somewhere (including occasionally
within the RECEIVED: lines).
 
If not, then you have some detective work e.g.,
 
Q listname FOR *@*hlqf
 
Occasionally I have been know to resort to
 
SET listname SHORT822 FOR *@*hlqf
 
which causes LISTSERV to immediately e-mail each user in the domain
an individual message.  This will usually cause the problem user
to bounce with an appropriate [log in to unmask]  I can then change back
to the more efficient
 
QUIET SET listname SHORT FOR *@*hlqf
 
If no bounce occurs, I would wait until the next list distribution
then hope something bounced; then do the QUIET SET (above).
 
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