Send something similiar to the below to LISTSERV
 
/ahw
 
//OneTime JOB Echo=No
DIST2 MAIL DD=DATA FROM=DD=ME ACK=MAIL TO DD=TO PRIOR=45 INFORM=MAIL
//ME DD "[log in to unmask] Noel Hart"
//TO DD *
user1@node1 First Last
user2@node2 First Last
user3@node3 First Last
user4@node4 First Last
/*
//DATA DD *,EOF,Res=Disk
Date:       Mon, 04 May 1992 12:32:00 EST
From:       Noel Hart <[log in to unmask]>
Subject:    Onetime list
Reply-to:   Noel Hart <[log in to unmask]>
To:
 
 
The message body