> >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 If you want the Internet Proposed Standard Delivery Status Notification format, it's RFCs 1891-4. If you want the L-Soft specific format, I don't know. I think you'll have better luck getting vendors to implement DSNs than the L-Soft format.