Regarding subscription confirmation and periodic or automatic removal of subscribers, LSoft's LISTSERV has these features, if you're interested:
AutoDelete on receipt of delivery error: reportshttp://www.lsoft.com/manuals/1.8d/owner/appendb.html#keyAutoDelete Automated periodic subscription renewal: http://www.lsoft.com/manuals/1.8d/owner/appendb.html#keyRenewal -- Michael S. Johnson Miyazaki Web and Mailing List Owner [EMAIL PROTECTED] www.nausicaa.net/miyazaki/mailing-list
