> 1) Is there any way sender who was served off a list can test > whether he has been effectively served back on without sending a test > message without everyone else on the list seeing it (The THANKS > command does not seem to apply here. Serving off applies to the whole LISTSERV server, not any particular list. So if you get a response to a THANKS command, you are not served off. You still could be filtered, however, for a particular list. Looking at the list header with REVIEW might give you a hint, unless the filters are hidden.