On Sat, 20 Sep 1997 14:27:48 +0100 Alan Thew said:
>LISTSERV documentation says:
>
>LISTSERV includes support  for automatic deletion of  users whose account
>has  expired  or whose  system  has  permanently disconnected.  When  the
>delivery error  is generated by LMail  (any version), MX V3.2  or higher,
>PMDF V4.2 or higher, or LSMTP(TM) , which all implement the same delivery
>error format, <...>

I didn't see an answer to this.  To paraphrase the question:  If I'd like
to ask the vendor of a mail system that does not support this to adopt it,
and refer them to the specs, what would I refer them to?

                                                         -Kary