Un peu dans le même style que swaks, voici sendemail
sudo apt-get install sendemail
Synopsis: sendEmail -f ADDRESS [options]
Required:
-f ADDRESS from (sender) email address
At least one recipient required via -t, -cc, or -bcc
Message body required via -m, STDIN, or -o message-file=FILE
Common:
-t ADDRESS [ADDR …] to email address(es)
-u SUBJECT message subject
-m MESSAGE message body
-s SERVER[:PORT] smtp mail relay, default is localhost:25Optional:
-a FILE [FILE …] file attachment(s)
-cc ADDRESS [ADDR …] cc email address(es)
-bcc ADDRESS [ADDR …] bcc email address(es)…
Pour modifier certaines valeurs (Message-ID, delimiter, X-Mailer…) le script /usr/bin/sendEmail
est très simplement éditable.