On Mon, Sep 23, 2019, rand pie wrote: > How to set the sendmail binary sender address > base on different email addresses with mutt? *-hook might work, e.g., something like: folder-hook . "set sendmail=\"/usr/sbin/sendmail -i -oem -fUSER at B.C\"" send-hook ietf-smtp "set sendmail=\"/usr/sbin/sendmail -i -oem -fietf-smtp at B.C\""