As far as I know, there is no such IETF document. The only even
vaguely related RFCs I know of are 2369 and 1211. Standardizing list
processor commands has proven to be very controversial. But a BCP
supporting use of a mail loop to confirm subscription would be a good
thing and should be doabl
Do we have any RFCs (or even I-Ds) that describe the preferred '3-way
handshake' method for validating a request to subscribe to a mailing list -
i.e., to first send back - to the requester's source email address - a
"please confirm your subscription" response message (preferably containing
a
