You need to use "*" wildcards to replace the "/" characters in the
address.  Technically this means you could do
 
quiet delete *G=Dmitri*S=Alexeev*@LANGATE.GB.SPRINT.COM
 
instead of having to type the whole thing.
 
On Thu, 25 Jul 1996 10:50:19 +0000 Michael Harmon said:
>Hello everyone,
>  I am maintaining a listserv list for PowerBuilder developers. I
>am having a problem deleting someone on the list. The name appears as
>follows in the member list (all one line) :
>
>[log in to unmask]
>Dmitri Alexeev
>
> When I try to delete him, I get an error back from listserv saying
>'bad parameter'. Can someone help me? I am not asking how to delete a
>user from listserv. I know how to do this. I am asking for help with
>this specific problem.