At 09:39 05/03/2004 Monday, Mendez, Rottman wrote: >How can I Prevent this from occurring again? Are you *sure* that it was LISTSERV queue that re-sent the messages, or was it a SENDMAIL problem? In the simple case of a user sending mail to a list: user -> user_mail_client -> LISTSERV_mail_server -> LISTSERV -> LISTSERV_mail_client -> subscribers_mail_servers /Pete