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- ;; Simple SMTP protocol (RFC 821) for sending mail
-
- ;; Copyright (C) 1995, 1996 Free Software Foundation, Inc.
-
- ;; Author: Tomoji Kagatani <kagatani@rbc.ncl.omron.co.jp>
- ;; Maintainer: Brian D. Carlstrom <bdc@ai.mit.edu>
- ;; Keywords: mail
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs 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.
-
- ;; GNU Emacs 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 Mail to smtp host from smtpmail temp buffer.
-
- ;; Please add these lines in your .emacs(_emacs).
- ;;
- ;;(setq send-mail-function 'smtpmail-send-it)
- ;;(setq smtpmail-default-smtp-server "YOUR SMTP HOST")
- ;;(setq smtpmail-smtp-service "smtp")
- ;;(setq smtpmail-local-domain "YOUR DOMAIN NAME")
- ;;(setq smtpmail-debug-info t)
- ;;(load-library "smtpmail")
- ;;(setq smtpmail-code-conv-from nil)
- ;;(setq user-full-name "YOUR NAME HERE")
-
- ;;; Code:
-
- (require 'sendmail)
-
- ;;;
- (defvar smtpmail-default-smtp-server nil
- "*Specify default SMTP server.")
-
- (defvar smtpmail-smtp-server
- (or (getenv "SMTPSERVER") smtpmail-default-smtp-server)
- "*The name of the host running SMTP server.")
-
- (defvar smtpmail-smtp-service 25
- "*SMTP service port number. smtp or 25 .")
-
- (defvar smtpmail-local-domain nil
- "*Local domain name without a host name.
- If the function (system-name) returns the full internet address,
- don't define this value.")
-
- (defvar smtpmail-debug-info nil
- "*smtpmail debug info printout. messages and process buffer.")
-
- (defvar smtpmail-code-conv-from nil ;; *junet*
- "*smtpmail code convert from this code to *internal*..for tiny-mime..")
-
- ;;;
- ;;;
- ;;;
-
- (defun smtpmail-send-it ()
- (require 'mail-utils)
- (let ((errbuf (if mail-interactive
- (generate-new-buffer " smtpmail errors")
- 0))
- (tembuf (generate-new-buffer " smtpmail temp"))
- (case-fold-search nil)
- resend-to-addresses
- delimline
- (mailbuf (current-buffer)))
- (unwind-protect
- (save-excursion
- (set-buffer tembuf)
- (erase-buffer)
- (insert-buffer-substring mailbuf)
- (goto-char (point-max))
- ;; require one newline at the end.
- (or (= (preceding-char) ?\n)
- (insert ?\n))
- ;; Change header-delimiter to be what sendmail expects.
- (goto-char (point-min))
- (re-search-forward
- (concat "^" (regexp-quote mail-header-separator) "\n"))
- (replace-match "\n")
- (backward-char 1)
- (setq delimline (point-marker))
- ;; (sendmail-synch-aliases)
- (if mail-aliases
- (expand-mail-aliases (point-min) delimline))
- (goto-char (point-min))
- ;; ignore any blank lines in the header
- (while (and (re-search-forward "\n\n\n*" delimline t)
- (< (point) delimline))
- (replace-match "\n"))
- (let ((case-fold-search t))
- (goto-char (point-min))
- (goto-char (point-min))
- (while (re-search-forward "^Resent-to:" delimline t)
- (setq resend-to-addresses
- (save-restriction
- (narrow-to-region (point)
- (save-excursion
- (end-of-line)
- (point)))
- (append (mail-parse-comma-list)
- resend-to-addresses))))
- ;;; Apparently this causes a duplicate Sender.
- ;;; ;; If the From is different than current user, insert Sender.
- ;;; (goto-char (point-min))
- ;;; (and (re-search-forward "^From:" delimline t)
- ;;; (progn
- ;;; (require 'mail-utils)
- ;;; (not (string-equal
- ;;; (mail-strip-quoted-names
- ;;; (save-restriction
- ;;; (narrow-to-region (point-min) delimline)
- ;;; (mail-fetch-field "From")))
- ;;; (user-login-name))))
- ;;; (progn
- ;;; (forward-line 1)
- ;;; (insert "Sender: " (user-login-name) "\n")))
- ;; Don't send out a blank subject line
- (goto-char (point-min))
- (if (re-search-forward "^Subject:[ \t]*\n" delimline t)
- (replace-match ""))
- ;; Put the "From:" field in unless for some odd reason
- ;; they put one in themselves.
- (goto-char (point-min))
- (if (not (re-search-forward "^From:" delimline t))
- (let* ((login user-mail-address)
- (fullname (user-full-name)))
- (cond ((eq mail-from-style 'angles)
- (insert "From: " fullname)
- (let ((fullname-start (+ (point-min) 6))
- (fullname-end (point-marker)))
- (goto-char fullname-start)
- ;; Look for a character that cannot appear unquoted
- ;; according to RFC 822.
- (if (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]"
- fullname-end 1)
- (progn
- ;; Quote fullname, escaping specials.
- (goto-char fullname-start)
- (insert "\"")
- (while (re-search-forward "[\"\\]"
- fullname-end 1)
- (replace-match "\\\\\\&" t))
- (insert "\""))))
- (insert " <" login ">\n"))
- ((eq mail-from-style 'parens)
- (insert "From: " login " (")
- (let ((fullname-start (point)))
- (insert fullname)
- (let ((fullname-end (point-marker)))
- (goto-char fullname-start)
- ;; RFC 822 says \ and nonmatching parentheses
- ;; must be escaped in comments.
- ;; Escape every instance of ()\ ...
- (while (re-search-forward "[()\\]" fullname-end 1)
- (replace-match "\\\\\\&" t))
- ;; ... then undo escaping of matching parentheses,
- ;; including matching nested parentheses.
- (goto-char fullname-start)
- (while (re-search-forward
- "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)"
- fullname-end 1)
- (replace-match "\\1(\\3)" t)
- (goto-char fullname-start))))
- (insert ")\n"))
- ((null mail-from-style)
- (insert "From: " login "\n")))))
- ;; Insert an extra newline if we need it to work around
- ;; Sun's bug that swallows newlines.
- (goto-char (1+ delimline))
- (if (eval mail-mailer-swallows-blank-line)
- (newline))
- ;; Find and handle any FCC fields.
- (goto-char (point-min))
- (if (re-search-forward "^FCC:" delimline t)
- (mail-do-fcc delimline))
- (if mail-interactive
- (save-excursion
- (set-buffer errbuf)
- (erase-buffer))))
- ;;
- ;;
- ;;
- (setq smtpmail-address-buffer (generate-new-buffer "*smtp-mail*"))
- (setq smtpmail-recipient-address-list
- (or resend-to-addresses
- (smtpmail-deduce-address-list tembuf (point-min) delimline)))
- (kill-buffer smtpmail-address-buffer)
-
- (smtpmail-do-bcc delimline)
-
- (if (not (null smtpmail-recipient-address-list))
- (if (not (smtpmail-via-smtp smtpmail-recipient-address-list tembuf))
- (error "Sending failed; SMTP protocol error"))
- (error "Sending failed; no recipients"))
- )
- (kill-buffer tembuf)
- (if (bufferp errbuf)
- (kill-buffer errbuf)))))
-
-
- ;(defun smtpmail-via-smtp (host,port,sender,destination,smtpmail-text-buffer)
-
- (defun smtpmail-fqdn ()
- (if smtpmail-local-domain
- (concat (system-name) "." smtpmail-local-domain)
- (system-name)))
-
- (defun smtpmail-via-smtp (recipient smtpmail-text-buffer)
- (let ((process nil)
- (host smtpmail-smtp-server)
- (port smtpmail-smtp-service)
- response-code
- greeting
- process-buffer)
- (unwind-protect
- (catch 'done
- ;; get or create the trace buffer
- (setq process-buffer
- (get-buffer-create (format "*trace of SMTP session to %s*" host)))
-
- ;; clear the trace buffer of old output
- (save-excursion
- (set-buffer process-buffer)
- (erase-buffer))
-
- ;; open the connection to the server
- (setq process (open-network-stream "SMTP" process-buffer host port))
- (and (null process) (throw 'done nil))
-
- ;; set the send-filter
- (set-process-filter process 'smtpmail-process-filter)
-
- (save-excursion
- (set-buffer process-buffer)
- (make-local-variable 'smtpmail-read-point)
- (setq smtpmail-read-point (point-min))
-
-
- (if (or (null (car (setq greeting (smtpmail-read-response process))))
- (not (integerp (car greeting)))
- (>= (car greeting) 400))
- (throw 'done nil)
- )
-
- ;; HELO
- (smtpmail-send-command process (format "HELO %s" (smtpmail-fqdn)))
-
- (if (or (null (car (setq response-code (smtpmail-read-response process))))
- (not (integerp (car response-code)))
- (>= (car response-code) 400))
- (throw 'done nil)
- )
-
- ;; MAIL FROM: <sender>
- ; (smtpmail-send-command process (format "MAIL FROM:%s@%s" (user-login-name) (smtpmail-fqdn)))
- (smtpmail-send-command process (format "MAIL FROM: <%s>" user-mail-address))
-
- (if (or (null (car (setq response-code (smtpmail-read-response process))))
- (not (integerp (car response-code)))
- (>= (car response-code) 400))
- (throw 'done nil)
- )
-
- ;; RCPT TO: <recipient>
- (let ((n 0))
- (while (not (null (nth n recipient)))
- (smtpmail-send-command process (format "RCPT TO: <%s>" (nth n recipient)))
- (setq n (1+ n))
-
- (if (or (null (car (setq response-code (smtpmail-read-response process))))
- (not (integerp (car response-code)))
- (>= (car response-code) 400))
- (throw 'done nil)
- )
- ))
-
- ;; DATA
- (smtpmail-send-command process "DATA")
-
- (if (or (null (car (setq response-code (smtpmail-read-response process))))
- (not (integerp (car response-code)))
- (>= (car response-code) 400))
- (throw 'done nil)
- )
-
- ;; Mail contents
- (smtpmail-send-data process smtpmail-text-buffer)
-
- ;;DATA end "."
- (smtpmail-send-command process ".")
-
- (if (or (null (car (setq response-code (smtpmail-read-response process))))
- (not (integerp (car response-code)))
- (>= (car response-code) 400))
- (throw 'done nil)
- )
-
- ;;QUIT
- ; (smtpmail-send-command process "QUIT")
- ; (and (null (car (smtpmail-read-response process)))
- ; (throw 'done nil))
- t ))
- (if process
- (save-excursion
- (set-buffer (process-buffer process))
- (smtpmail-send-command process "QUIT")
- (smtpmail-read-response process)
-
- ; (if (or (null (car (setq response-code (smtpmail-read-response process))))
- ; (not (integerp (car response-code)))
- ; (>= (car response-code) 400))
- ; (throw 'done nil)
- ; )
- (delete-process process))))))
-
-
- (defun smtpmail-process-filter (process output)
- (save-excursion
- (set-buffer (process-buffer process))
- (goto-char (point-max))
- (insert output)))
-
- (defun smtpmail-read-response (process)
- (let ((case-fold-search nil)
- (response-string nil)
- (response-continue t)
- (return-value '(nil ""))
- match-end)
-
- ; (setq response-string nil)
- ; (setq response-continue t)
- ; (setq return-value '(nil ""))
-
- (while response-continue
- (goto-char smtpmail-read-point)
- (while (not (search-forward "\r\n" nil t))
- (accept-process-output process)
- (goto-char smtpmail-read-point))
-
- (setq match-end (point))
- (if (null response-string)
- (setq response-string
- (buffer-substring smtpmail-read-point (- match-end 2))))
-
- (goto-char smtpmail-read-point)
- (if (looking-at "[0-9]+ ")
- (progn (setq response-continue nil)
- ; (setq return-value response-string)
-
- (if smtpmail-debug-info
- (message response-string))
-
- (setq smtpmail-read-point match-end)
- (setq return-value
- (cons (string-to-int
- (buffer-substring (match-beginning 0) (match-end 0)))
- response-string)))
-
- (if (looking-at "[0-9]+-")
- (progn (setq smtpmail-read-point match-end)
- (setq response-continue t))
- (progn
- (setq smtpmail-read-point match-end)
- (setq response-continue nil)
- (setq return-value
- (cons nil response-string))
- )
- )))
- (setq smtpmail-read-point match-end)
- return-value))
-
-
- (defun smtpmail-send-command (process command)
- (goto-char (point-max))
- (if (= (aref command 0) ?P)
- (insert "PASS <omitted>\r\n")
- (insert command "\r\n"))
- (setq smtpmail-read-point (point))
- (process-send-string process command)
- (process-send-string process "\r\n"))
-
- (defun smtpmail-send-data-1 (process data)
- (goto-char (point-max))
-
- (if (not (null smtpmail-code-conv-from))
- (setq data (code-convert-string data smtpmail-code-conv-from *internal*)))
-
- (if smtpmail-debug-info
- (insert data "\r\n"))
-
- (setq smtpmail-read-point (point))
- ;; Escape "." at start of a line
- (if (eq (string-to-char data) ?.)
- (process-send-string process "."))
- (process-send-string process data)
- (process-send-string process "\r\n")
- )
-
- (defun smtpmail-send-data (process buffer)
- (let
- ((data-continue t)
- (sending-data nil)
- this-line
- this-line-end)
-
- (save-excursion
- (set-buffer buffer)
- (goto-char (point-min)))
-
- (while data-continue
- (save-excursion
- (set-buffer buffer)
- (beginning-of-line)
- (setq this-line (point))
- (end-of-line)
- (setq this-line-end (point))
- (setq sending-data nil)
- (setq sending-data (buffer-substring this-line this-line-end))
- (if (/= (forward-line 1) 0)
- (setq data-continue nil)))
-
- (smtpmail-send-data-1 process sending-data)
- )
- )
- )
-
-
- (defun smtpmail-deduce-address-list (smtpmail-text-buffer header-start header-end)
- "Get address list suitable for smtp RCPT TO: <address>."
- (require 'mail-utils) ;; pick up mail-strip-quoted-names
- (let
- ((case-fold-search t)
- (simple-address-list "")
- this-line
- this-line-end
- addr-regexp)
-
- (unwind-protect
- (save-excursion
- ;;
- (set-buffer smtpmail-address-buffer) (erase-buffer)
- (insert-buffer-substring smtpmail-text-buffer header-start header-end)
- (goto-char (point-min))
- ;; RESENT-* fields should stop processing of regular fields.
- (save-excursion
- (if (re-search-forward "^RESENT-TO:" header-end t)
- (setq addr-regexp "^\\(RESENT-TO:\\|RESENT-CC:\\|RESENT-BCC:\\)")
- (setq addr-regexp "^\\(TO:\\|CC:\\|BCC:\\)")))
-
- (while (re-search-forward addr-regexp header-end t)
- (replace-match "")
- (setq this-line (match-beginning 0))
- (forward-line 1)
- ;; get any continuation lines
- (while (and (looking-at "^[ \t]+") (< (point) header-end))
- (forward-line 1))
- (setq this-line-end (point-marker))
- (setq simple-address-list
- (concat simple-address-list " "
- (mail-strip-quoted-names (buffer-substring this-line this-line-end))))
- )
- (erase-buffer)
- (insert-string " ")
- (insert-string simple-address-list)
- (insert-string "\n")
- (subst-char-in-region (point-min) (point-max) 10 ? t);; newline --> blank
- (subst-char-in-region (point-min) (point-max) ?, ? t);; comma --> blank
- (subst-char-in-region (point-min) (point-max) 9 ? t);; tab --> blank
-
- (goto-char (point-min))
- ;; tidyness in case hook is not robust when it looks at this
- (while (re-search-forward "[ \t]+" header-end t) (replace-match " "))
-
- (goto-char (point-min))
- (let (recipient-address-list)
- (while (re-search-forward " \\([^ ]+\\) " (point-max) t)
- (backward-char 1)
- (setq recipient-address-list (cons (buffer-substring (match-beginning 1) (match-end 1))
- recipient-address-list))
- )
- (setq smtpmail-recipient-address-list recipient-address-list))
-
- )
- )
- )
- )
-
-
- (defun smtpmail-do-bcc (header-end)
- "Delete BCC: and their continuation lines from the header area.
- There may be multiple BCC: lines, and each may have arbitrarily
- many continuation lines."
- (let ((case-fold-search t))
- (save-excursion (goto-char (point-min))
- ;; iterate over all BCC: lines
- (while (re-search-forward "^BCC:" header-end t)
- (delete-region (match-beginning 0) (progn (forward-line 1) (point)))
- ;; get rid of any continuation lines
- (while (and (looking-at "^[ \t].*\n") (< (point) header-end))
- (replace-match ""))
- )
- ) ;; save-excursion
- ) ;; let
- )
-
-
-
- (provide 'smtpmail)
-
- ;; smtpmail.el ends here
-