myhome/.emacs.d/elpa/async-20200809.501/smtpmail-async.el

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;;; smtpmail-async.el --- Send e-mail with smtpmail.el asynchronously -*- lexical-binding: t -*-
;; Copyright (C) 2012-2016 Free Software Foundation, Inc.
;; Author: John Wiegley <jwiegley@gmail.com>
;; Created: 18 Jun 2012
;; Keywords: email async
;; X-URL: https://github.com/jwiegley/emacs-async
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or (at
;; your option) any later version.
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Send e-mail with smtpmail.el asynchronously. To use:
;;
;; (require 'smtpmail-async)
;;
;; (setq send-mail-function 'async-smtpmail-send-it
;; message-send-mail-function 'async-smtpmail-send-it)
;;
;; This assumes you already have smtpmail.el working.
;;; Code:
(defgroup smtpmail-async nil
"Send e-mail with smtpmail.el asynchronously"
:group 'smptmail)
(require 'async)
(require 'smtpmail)
(require 'message)
(defvar async-smtpmail-before-send-hook nil
"Hook running in the child emacs in `async-smtpmail-send-it'.
It is called just before calling `smtpmail-send-it'.")
(defun async-smtpmail-send-it ()
(let ((to (message-field-value "To"))
(buf-content (buffer-substring-no-properties
(point-min) (point-max))))
(message "Delivering message to %s..." to)
(async-start
`(lambda ()
(require 'smtpmail)
(with-temp-buffer
(insert ,buf-content)
(set-buffer-multibyte nil)
;; Pass in the variable environment for smtpmail
,(async-inject-variables
"\\`\\(smtpmail\\|async-smtpmail\\|\\(user-\\)?mail\\)-\\|auth-sources\\|epg\\|nsm"
nil "\\`\\(mail-header-format-function\\|smtpmail-address-buffer\\|mail-mode-abbrev-table\\)")
(run-hooks 'async-smtpmail-before-send-hook)
(smtpmail-send-it)))
(lambda (&optional _ignore)
(message "Delivering message to %s...done" to)))))
(provide 'smtpmail-async)
;;; smtpmail-async.el ends here