rmail-dont-reply-to

rmail-dont-reply-to is an alias for `mail-dont-reply-to' in `mail-utils.el'.

(rmail-dont-reply-to DESTINATIONS)

This function is obsolete since 24.1;
use `mail-dont-reply-to' instead.

Prune addresses from DESTINATIONS, a list of recipient addresses.
Remove all addresses matching `mail-dont-reply-to-names' from the
comma-separated list, and return the pruned list.