.config/aerc/accounts.conf
[c3f] source = imaps://j3s@mail.c3f.net:993 source-cred-cmd = pass c3f outgoing = smtp+plain://j3s@mail.c3f.net:587 outgoing-cred-cmd = pass c3f default = INBOX smtp-starttls = yes from = jes <j3s@c3f.net> copy-to = Sent