Russ Hunt wrote: > Okay, but what's preventing me from setting my list to distribute > them to all the subscribers, thus prompting the list to get flooded > with "out of office" replies? (It's not my sophisticated > understanding of the differences between Reply-To: and Sender: and so > forth, I can assure you of that . . . ) Hopefully they would be identical to each other and Listserv would only distribute the first one and then stop the others as duplicates. Listserv does not stop the duplicates that are sent directly to the senders (rather than the list), because they do not go through Listserv at all. Of course, when it stops the second one as a duplicate it notifies the person who is on vacation, and often gets back another vacation notice, this one addressed to Listserv rather than the list. And then it notifies them that their vacation notice does not contain any valid Listserv commands, and gets another one in return.... But that little loop doesn't fill any mailboxes except that of the vacationer, and ends after a while when Listserv gets tired of it and "serves off" the vacationer. I've seen that happen several times here. Margaret King ([log in to unmask]) Michigan State University