"(let ((message-send-mail-function 'message-smtpmail-send-it)
(mail-host-address \"example.com\")
(smtpmail-smtp-server \"localhost\")
"(let ((message-send-mail-function 'message-smtpmail-send-it)
(mail-host-address \"example.com\")
(smtpmail-smtp-server \"localhost\")