list, you may find that a substantial number of subscribers are
prompted for confirmation immediately even though you may have set
Renewal= to a value that might not be expected to cause such
behavior. This is because LISTSERV uses the last activity date (which may or may
not be the same as the subscription anniversary date) for the purpose of
subscription renewal. The last activity date may be one of the following: The
subscription anniversary date; the last date the subscriber posted to the list;
or the last date the subscriber changed personal options.
Note also that if you code a specific date without specifying a year field
(e.g., Renewal= 6/1), LISTSERV will immediately request a
renewal from any subscriber whose last activity date is prior to that date in
the current year.
The "Probe" parameter, introduced in Version 1.8c (but
disabled in LISTSERV Lite) activates LISTSERV's "active probing" bounce
processing feature, whereby the users are "probed" regularly using the
PROBE1 mail template. The desired response from the user is to
discard the message and do nothing. If the probe bounces, LISTSERV first sends
the PROBE2 templ