Variable: smtpmail-queue-mail
smtpmail-queue-mail is a customizable variable defined in
smtpmail.el.gz.
Value
nil
Documentation
Non-nil means mail is queued; otherwise it is sent immediately.
If queued, it is stored in the directory smtpmail-queue-dir and
sent with smtpmail-send-queued-mail. Also see
smtpmail-store-queue-variables.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/smtpmail.el.gz
(defcustom smtpmail-queue-mail nil
"Non-nil means mail is queued; otherwise it is sent immediately.
If queued, it is stored in the directory `smtpmail-queue-dir' and
sent with `smtpmail-send-queued-mail'. Also see
`smtpmail-store-queue-variables'."
:type 'boolean)