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