Merge semi21-D20010129.
[elisp/lemi.git] / mail / smtpmail.el
index 6f53489..c1a314e 100644 (file)
@@ -1,43 +1,40 @@
-;;; smtpmail.el --- simple SMTP protocol (RFC 821) for sending mail
-;;; ###        Hacked by Mike Taylor, 11th October 1999 to add support for
-;;;    automatically appending a domain to RCPT TO: addresses.
+;;; smtpmail.el --- SMTP interface for mail-mode
 
-;; Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 1998, 1999 Free Software Foundation, Inc.
 
 ;; Author: Tomoji Kagatani <kagatani@rbc.ncl.omron.co.jp>
-;; Maintainer: Brian D. Carlstrom <bdc@ai.mit.edu>
-;; ESMTP support: Simon Leinen <simon@switch.ch>
 ;; Keywords: mail
 
-;; This file is part of GNU Emacs.
+;; This file is part of FLIM (Faithful Library about Internet Message).
 
-;; 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.
+;; 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.
 
-;; 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.
+;; 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,
+;; along with this program; 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) or use customize.
+;; Please add these lines in your .emacs(_emacs).
 ;;
-;;(setq send-mail-function 'smtpmail-send-it) ; if you use `mail'
-;;(setq message-send-mail-function 'smtpmail-send-it) ; if you use `message'
-;;(setq smtpmail-default-smtp-server "YOUR SMTP HOST")
-;;(setq smtpmail-local-domain "YOUR DOMAIN NAME")
-;;(setq smtpmail-sendto-domain "YOUR DOMAIN NAME")
-;;(setq smtpmail-debug-info t) ; only to debug problems
+;;(setq send-mail-function 'smtpmail-send-it)
+;;(setq smtp-default-server "YOUR SMTP HOST")
+;;(setq smtp-service "smtp")
+;;(setq smtp-local-domain "YOUR DOMAIN NAME")
+;;(setq smtp-debug-info t)
+;;(autoload 'smtpmail-send-it "smtpmail")
+;;(setq user-full-name "YOUR NAME HERE")
 
 ;; To queue mail, set smtpmail-queue-mail to t and use 
 ;; smtpmail-send-queued-mail to send.
 
 ;;; Code:
 
+(require 'custom)
+(require 'smtp)
 (require 'sendmail)
 (require 'time-stamp)
+(require 'mel) ; binary-write-decoded-region, binary-find-file-noselect
 
-;;;
-(defgroup smtpmail nil
-  "SMTP protocol for sending mail."
-  :group 'mail)
-
-
-(defcustom smtpmail-default-smtp-server nil
-  "*Specify default SMTP server."
-  :type '(choice (const nil) string)
-  :group 'smtpmail)
-
-(defcustom smtpmail-smtp-server 
-  (or (getenv "SMTPSERVER") smtpmail-default-smtp-server)
-  "*The name of the host running SMTP server."
-  :type '(choice (const nil) string)
-  :group 'smtpmail)
-
-(defcustom smtpmail-smtp-service 25
-  "*SMTP service port number. smtp or 25 ."
-  :type 'integer
-  :group 'smtpmail)
-
-(defcustom 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."
-  :type '(choice (const nil) string)
-  :group 'smtpmail)
-
-(defcustom smtpmail-sendto-domain nil
-  "*Local domain name without a host name.
-This is appended (with an @-sign) to any specified recipients which do
-not include an @-sign, so that each RCPT TO address is fully qualified.
-\(Some configurations of sendmail require this.)
-
-Don't bother to set this unless you have get an error like:
-       Sending failed; SMTP protocol error
-when sending mail, and the *trace of SMTP session to <somewhere>*
-buffer includes an exchange like:
-       RCPT TO: <someone>
-       501 <someone>: recipient address must contain a domain
-"
-  :type '(choice (const nil) string)
-  :group 'smtpmail)
-
-(defun maybe-append-domain (recipient)
-  (if (or (not smtpmail-sendto-domain)
-         (string-match "@" recipient))
-      recipient
-    (concat recipient "@" smtpmail-sendto-domain)))
-
-(defcustom smtpmail-debug-info nil
-  "*smtpmail debug info printout. messages and process buffer."
-  :type 'boolean
-  :group 'smtpmail)
+(eval-when-compile (require 'static))
 
-(defcustom smtpmail-code-conv-from nil ;; *junet*
-  "*smtpmail code convert from this code to *internal*..for tiny-mime.."
-  :type 'boolean
-  :group 'smtpmail)
+;; (static-when (featurep 'xemacs)
+;;   (define-obsolete-variable-alias 'smtpmail-default-smtp-server
+;;     'smtp-default-server)
+;;   (define-obsolete-variable-alias 'smtpmail-smtp-server 'smtp-server)
+;;   (define-obsolete-variable-alias 'smtpmail-smtp-service 'smtp-service)
+;;   (define-obsolete-variable-alias 'smtpmail-local-domain 'smtp-local-domain)
+;;   (define-obsolete-variable-alias 'smtpmail-debug-info 'smtp-debug-info)
+;;   )
+
+;;;
 
 (defcustom smtpmail-queue-mail nil 
-  "*Specify if mail is queued (if t) or sent immediately (if nil).
+  "Specify if mail is queued (if t) or sent immediately (if nil).
 If queued, it is stored in the directory `smtpmail-queue-dir'
 and sent with `smtpmail-send-queued-mail'."
   :type 'boolean
-  :group 'smtpmail)
+  :group 'smtp)
 
 (defcustom smtpmail-queue-dir "~/Mail/queued-mail/"
-  "*Directory where `smtpmail.el' stores queued mail."
+  "Directory where `smtpmail.el' stores queued mail."
   :type 'directory
-  :group 'smtpmail)
+  :group 'smtp)
 
 (defvar smtpmail-queue-index-file "index"
   "File name of queued mail index,
 This is relative to `smtpmail-queue-dir'.")
 
-(defvar smtpmail-address-buffer)
-(defvar smtpmail-recipient-address-list)
+(defvar smtpmail-queue-index
+  (concat (file-name-as-directory smtpmail-queue-dir)
+         smtpmail-queue-index-file))
 
-;; Buffer-local variable.
-(defvar smtpmail-read-point)
+(defvar smtpmail-recipient-address-list nil)
 
-(defvar smtpmail-queue-index (concat smtpmail-queue-dir
-                                    smtpmail-queue-index-file))
 
 ;;;
 ;;;
@@ -146,12 +96,9 @@ This is relative to `smtpmail-queue-dir'.")
                  0))
        (tembuf (generate-new-buffer " smtpmail temp"))
        (case-fold-search nil)
+       resend-to-addresses
        delimline
-       (mailbuf (current-buffer))
-       (smtpmail-code-conv-from
-        (if enable-multibyte-characters
-            (let ((sendmail-coding-system smtpmail-code-conv-from))
-              (select-message-coding-system)))))
+       (mailbuf (current-buffer)))
     (unwind-protect
        (save-excursion
          (set-buffer tembuf)
@@ -162,10 +109,14 @@ This is relative to `smtpmail-queue-dir'.")
          (or (= (preceding-char) ?\n)
              (insert ?\n))
          ;; Change header-delimiter to be what sendmail expects.
-         (mail-sendmail-undelimit-header)
+         (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
+         (if (and mail-aliases (fboundp 'expand-mail-aliases)) ; XEmacs
              (expand-mail-aliases (point-min) delimline))
          (goto-char (point-min))
          ;; ignore any blank lines in the header
@@ -173,17 +124,38 @@ This is relative to `smtpmail-queue-dir'.")
                      (< (point) delimline))
            (replace-match "\n"))
          (let ((case-fold-search t))
-           ;; We used to process Resent-... headers here,
-           ;; but it was not done properly, and the job
-           ;; is done correctly in smtpmail-deduce-address-list.
+           (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
+                                         (forward-line 1)
+                                         (while (looking-at "^[ \t]")
+                                           (forward-line 1))
+                                         (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\\)+\\b" delimline t)
-               (replace-match "")
-             ;; This one matches a Subject just before the header delimiter.
-             (if (and (re-search-forward "^Subject:\\([ \t]*\n\\)+" delimline t)
-                      (= (match-end 0) delimline))
-                 (replace-match "")))
+           (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))
@@ -246,25 +218,24 @@ This is relative to `smtpmail-queue-dir'.")
          ;;
          ;;
          ;;
-         (setq smtpmail-address-buffer (generate-new-buffer "*smtp-mail*"))
          (setq smtpmail-recipient-address-list
-                   (smtpmail-deduce-address-list tembuf (point-min) delimline))
-         (kill-buffer smtpmail-address-buffer)
-         
+               (or resend-to-addresses
+                   (smtp-deduce-address-list tembuf (point-min) delimline)))
+
          (smtpmail-do-bcc delimline)
          ; Send or queue
          (if (not smtpmail-queue-mail)
-             (if (not (null smtpmail-recipient-address-list))
-                 (if (not (smtpmail-via-smtp 
-                           smtpmail-recipient-address-list tembuf))
-                     (error "Sending failed; SMTP protocol error"))
+             (if smtpmail-recipient-address-list
+                 (smtp-send-buffer user-mail-address
+                                   smtpmail-recipient-address-list
+                                   tembuf)
                (error "Sending failed; no recipients"))
-           (let* ((file-data (concat 
-                              smtpmail-queue-dir
-                              (concat (time-stamp-yyyy-mm-dd)
-                                      "_" (time-stamp-hh:mm:ss))))
-                     (file-data (convert-standard-filename file-data))
-                     (file-elisp (concat file-data ".el"))
+           (let* ((file-data (convert-standard-filename
+                              (concat
+                               (file-name-as-directory smtpmail-queue-dir)
+                               (time-stamp-yyyy-mm-dd)
+                               "_" (time-stamp-hh:mm:ss))))
+                  (file-elisp (concat file-data ".el"))
                   (buffer-data (create-file-buffer file-data))
                   (buffer-elisp (create-file-buffer file-elisp))
                   (buffer-scratch "*queue-mail*"))
@@ -272,7 +243,9 @@ This is relative to `smtpmail-queue-dir'.")
                (set-buffer buffer-data)
                (erase-buffer)
                (insert-buffer tembuf)
-               (write-file file-data)
+               (or (file-directory-p smtpmail-queue-dir)
+                   (make-directory smtpmail-queue-dir t))
+               (binary-write-decoded-region (point-min) (point-max) file-data)
                (set-buffer buffer-elisp)
                (erase-buffer)
                (insert (concat
@@ -308,11 +281,10 @@ This is relative to `smtpmail-queue-dir'.")
                                                   (end-of-line)
                                                   (point))))
        (load file-msg)
-       (setq tembuf (find-file-noselect file-msg))
-       (if (not (null smtpmail-recipient-address-list))
-           (if (not (smtpmail-via-smtp smtpmail-recipient-address-list 
-                                       tembuf))
-               (error "Sending failed; SMTP protocol error"))
+       (setq tembuf (binary-find-file-noselect file-msg))
+       (if smtpmail-recipient-address-list
+           (smtp-send-buffer user-mail-address
+                             smtpmail-recipient-address-list tembuf)
          (error "Sending failed; no recipients"))  
        (delete-file file-msg)
        (delete-file (concat file-msg ".el"))
@@ -323,397 +295,27 @@ This is relative to `smtpmail-queue-dir'.")
       (kill-buffer buffer-index)
       )))
 
-;(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 (or smtpmail-smtp-server
-                 (error "`smtpmail-smtp-server' not defined")))
-       (port smtpmail-smtp-service)
-       response-code
-       greeting
-       process-buffer
-       (supported-extensions '()))
-    (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)
-           (set-buffer-process-coding-system 'raw-text-unix 'raw-text-unix)
-           (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)
-             )
-
-           ;; EHLO
-           (smtpmail-send-command process (format "EHLO %s" (smtpmail-fqdn)))
-
-           (if (or (null (car (setq response-code (smtpmail-read-response process))))
-                   (not (integerp (car response-code)))
-                   (>= (car response-code) 400))
-               (progn
-                 ;; 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)))
-             (let ((extension-lines (cdr (cdr response-code))))
-               (while extension-lines
-                 (let ((name (intern (downcase (car (split-string (substring (car extension-lines) 4) "[ ]"))))))
-                   (and name
-                        (cond ((memq name '(verb xvrb 8bitmime onex xone
-                                                 expn size dsn etrn
-                                                 help xusr))
-                               (setq supported-extensions
-                                     (cons name supported-extensions)))
-                              (t (message "unknown extension %s"
-                                          name)))))
-                 (setq extension-lines (cdr extension-lines)))))
-
-           (if (or (member 'onex supported-extensions)
-                   (member 'xone supported-extensions))
-               (progn
-                 (smtpmail-send-command process (format "ONEX"))
-                 (if (or (null (car (setq response-code (smtpmail-read-response process))))
-                         (not (integerp (car response-code)))
-                         (>= (car response-code) 400))
-                     (throw 'done nil))))
-
-           (if (and smtpmail-debug-info
-                    (or (member 'verb supported-extensions)
-                        (member 'xvrb supported-extensions)))
-               (progn
-                 (smtpmail-send-command process (format "VERB"))
-                 (if (or (null (car (setq response-code (smtpmail-read-response process))))
-                         (not (integerp (car response-code)))
-                         (>= (car response-code) 400))
-                     (throw 'done nil))))
-
-           (if (member 'xusr supported-extensions)
-               (progn
-                 (smtpmail-send-command process (format "XUSR"))
-                 (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>
-           (let ((size-part
-                  (if (member 'size supported-extensions)
-                      (format " SIZE=%d"
-                              (save-excursion
-                                (set-buffer smtpmail-text-buffer)
-                                ;; size estimate:
-                                (+ (- (point-max) (point-min))
-                                   ;; Add one byte for each change-of-line
-                                   ;; because or CR-LF representation:
-                                   (count-lines (point-min) (point-max))
-                                   ;; For some reason, an empty line is
-                                   ;; added to the message.  Maybe this
-                                   ;; is a bug, but it can't hurt to add
-                                   ;; those two bytes anyway:
-                                   2)))
-                    ""))
-                 (body-part
-                  (if (member '8bitmime supported-extensions)
-                      ;; FIXME:
-                      ;; Code should be added here that transforms
-                      ;; the contents of the message buffer into
-                      ;; something the receiving SMTP can handle.
-                      ;; For a receiver that supports 8BITMIME, this
-                      ;; may mean converting BINARY to BASE64, or
-                      ;; adding Content-Transfer-Encoding and the
-                      ;; other MIME headers.  The code should also
-                      ;; return an indication of what encoding the
-                      ;; message buffer is now, i.e. ASCII or
-                      ;; 8BITMIME.
-                      (if nil
-                          " BODY=8BITMIME"
-                        "")
-                    "")))
-;            (smtpmail-send-command process (format "MAIL FROM:%s@%s" (user-login-name) (smtpmail-fqdn)))
-             (smtpmail-send-command process (format "MAIL FROM: <%s>%s%s"
-                                                    user-mail-address
-                                                    size-part
-                                                    body-part))
-
-             (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>" (maybe-append-domain (nth n recipient))))
-               (setq n (1+ n))
-
-               (setq response-code (smtpmail-read-response process))
-               (if (or (null (car response-code))
-                       (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-strings nil)
-       (response-continue t)
-       (return-value '(nil ()))
-       match-end)
-
-    (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))
-      (setq response-strings
-           (cons (buffer-substring smtpmail-read-point (- match-end 2))
-                 response-strings))
-       
-      (goto-char smtpmail-read-point)
-      (if (looking-at "[0-9]+ ")
-         (let ((begin (match-beginning 0))
-               (end (match-end 0)))
-           (if smtpmail-debug-info
-               (message "%s" (car response-strings)))
-
-           (setq smtpmail-read-point match-end)
-
-           ;; ignore lines that start with "0"
-           (if (looking-at "0[0-9]+ ")
-               nil
-             (setq response-continue nil)
-             (setq return-value
-                   (cons (string-to-int 
-                          (buffer-substring begin end)) 
-                         (nreverse response-strings)))))
-       
-       (if (looking-at "[0-9]+-")
-           (progn (if smtpmail-debug-info
-                    (message "%s" (car response-strings)))
-                  (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 (nreverse response-strings)))
-           )
-         )))
-    (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 (and (multibyte-string-p data)
-          smtpmail-code-conv-from)
-      (setq data (string-as-multibyte
-                 (encode-coding-string data smtpmail-code-conv-from))))
-       
-  (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
-    
-  (unwind-protect
-      (save-excursion
-       (set-buffer smtpmail-address-buffer) (erase-buffer)
-       (let
-           ((case-fold-search t)
-            (simple-address-list "")
-            this-line
-            this-line-end
-            addr-regexp)
-         (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\\|cc\\|bcc\\):" header-end t)
-               (setq addr-regexp "^Resent-\\(to\\|cc\\|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 [Resent-]BCC: and their continuation lines from the header area.
+  "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 "^\\(RESENT-\\)?BCC:" header-end t)
-       (delete-region (match-beginning 0)
-                      (progn (forward-line 1) (point)))
+      (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 ""))))))
+         (replace-match ""))
+       )
+      ) ;; save-excursion
+    ) ;; let
+  )
+
 
+;;;
 
 (provide 'smtpmail)