;; smtpmail-debug-verb t
message-send-mail-function 'message-smtpmail-send-it)
+Note that emacs 24 or newer is required for `smtpmail-stream-type`
+(and smtp authentication) to be effective.
+
More information for smtpmail is available:
* In Emacs: `M-x info-display-manual smtpmail`