> Below is an extract from a thread with LSoft tech support. If you > are running cc:Mail and LISTSERV 1.8c, you may have experience that > would help us get to the bottom of this problem. > With all due respect to LSoft, their response is that this is a > cc:Mail problem (which it may well be) and the work around that I > stumbled upon is a "coincidence". Not a lot of help. I'm afraid I'd have to concur with Lsoft. cc:Mail by itself is completely SMTP-illiterate, and LISTSERV is by definition SMTP-only. The bridge between the two is the cc:Mail SMTP gateway, which is the only thing that has anything to do with how cc:Mail headers are created, parsed or otherwise massaged. LISTSERV is coping only with the output of the gateway; you're coping with the other side of the gateway. There are a set of rules in the gateway that determine what addresses in the SMTP delivery envelope are inserted into what cc:Mail headers. Some of how that process happens is triggered by headers present in the incoming or outgoing messages; it may be instructive to try to capture a piece of mail that seems to work and compare it with the intermediate form that the cc:Mail gateway code produces (check with Lotus support on how to enable debugging in the gateway code -- you may want to try this after hours as it reduces the performance of the gateway substantially). David Boyes [log in to unmask]