moggie email \
--to=accountant@example.org \
--subject='Bank stuff' \
--message='Sorry there is so much!' \
--forwarding=inline,html \
--forward='from:bank date:2022' \
|sendmail -t
Dunno if I'm ever going to want to run such a scary command, but I'm very pleased that it works!
Still on the task list: teach it to sign / encrypt, teach it to speak SMTP, teach it to save sent messages locally...
(This becomes an API for writing #email clients)