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092af6d8 | 1 | ;;; smtpmail.el --- simple SMTP protocol (RFC 821) for sending mail |
24975917 | 2 | |
11c10f3b | 3 | ;; Copyright (C) 1995, 1996, 2001, 2002, 2003 Free Software Foundation, Inc. |
24975917 RS |
4 | |
5 | ;; Author: Tomoji Kagatani <kagatani@rbc.ncl.omron.co.jp> | |
9056f1c9 RS |
6 | ;; Maintainer: Simon Josefsson <simon@josefsson.org> |
7 | ;; w32 Maintainer: Brian D. Carlstrom <bdc@ai.mit.edu> | |
c50d5ce0 | 8 | ;; ESMTP support: Simon Leinen <simon@switch.ch> |
2b5c7e03 GM |
9 | ;; Hacked by Mike Taylor, 11th October 1999 to add support for |
10 | ;; automatically appending a domain to RCPT TO: addresses. | |
9056f1c9 | 11 | ;; AUTH=LOGIN support: Stephen Cranefield <scranefield@infoscience.otago.ac.nz> |
24975917 RS |
12 | ;; Keywords: mail |
13 | ||
14 | ;; This file is part of GNU Emacs. | |
15 | ||
16 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
17 | ;; it under the terms of the GNU General Public License as published by | |
18 | ;; the Free Software Foundation; either version 2, or (at your option) | |
19 | ;; any later version. | |
20 | ||
21 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
22 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | ;; GNU General Public License for more details. | |
25 | ||
26 | ;; You should have received a copy of the GNU General Public License | |
27 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
28 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
29 | ;; Boston, MA 02111-1307, USA. | |
30 | ||
31 | ;;; Commentary: | |
32 | ||
33 | ;; Send Mail to smtp host from smtpmail temp buffer. | |
24975917 | 34 | |
f38d3514 | 35 | ;; Please add these lines in your .emacs(_emacs) or use customize. |
24975917 | 36 | ;; |
f38d3514 | 37 | ;;(setq send-mail-function 'smtpmail-send-it) ; if you use `mail' |
08b10dd4 | 38 | ;;(setq message-send-mail-function 'smtpmail-send-it) ; if you use message/Gnus |
24975917 | 39 | ;;(setq smtpmail-default-smtp-server "YOUR SMTP HOST") |
24975917 | 40 | ;;(setq smtpmail-local-domain "YOUR DOMAIN NAME") |
e889eabc | 41 | ;;(setq smtpmail-sendto-domain "YOUR DOMAIN NAME") |
f38d3514 | 42 | ;;(setq smtpmail-debug-info t) ; only to debug problems |
60ed3fa5 | 43 | ;;(setq smtpmail-auth-credentials ; or use ~/.authinfo |
9056f1c9 RS |
44 | ;; '(("YOUR SMTP HOST" 25 "username" "password"))) |
45 | ;;(setq smtpmail-starttls-credentials | |
46 | ;; '(("YOUR SMTP HOST" 25 "~/.my_smtp_tls.key" "~/.my_smtp_tls.cert"))) | |
24975917 | 47 | |
a8ba4429 | 48 | ;; To queue mail, set smtpmail-queue-mail to t and use |
308bc5d8 RS |
49 | ;; smtpmail-send-queued-mail to send. |
50 | ||
9056f1c9 RS |
51 | ;; Modified by Stephen Cranefield <scranefield@infoscience.otago.ac.nz>, |
52 | ;; 22/6/99, to support SMTP Authentication by the AUTH=LOGIN mechanism. | |
53 | ;; See http://help.netscape.com/products/server/messaging/3x/info/smtpauth.html | |
54 | ;; Rewritten by Simon Josefsson to use same credential variable as AUTH | |
55 | ;; support below. | |
56 | ||
57 | ;; Modified by Simon Josefsson <jas@pdc.kth.se>, 22/2/99, to support SMTP | |
58 | ;; Authentication by the AUTH mechanism. | |
59 | ;; See http://www.ietf.org/rfc/rfc2554.txt | |
60 | ||
61 | ;; Modified by Simon Josefsson <simon@josefsson.org>, 2000-10-07, to support | |
62 | ;; STARTTLS. Requires external program | |
63 | ;; ftp://ftp.opaopa.org/pub/elisp/starttls-*.tar.gz. | |
64 | ;; See http://www.ietf.org/rfc/rfc2246.txt, http://www.ietf.org/rfc/rfc2487.txt | |
308bc5d8 | 65 | |
24975917 RS |
66 | ;;; Code: |
67 | ||
68 | (require 'sendmail) | |
9056f1c9 RS |
69 | (autoload 'starttls-open-stream "starttls") |
70 | (autoload 'starttls-negotiate "starttls") | |
71 | (autoload 'mail-strip-quoted-names "mail-utils") | |
21bf0d6c SM |
72 | (autoload 'message-make-date "message") |
73 | (autoload 'message-make-message-id "message") | |
9056f1c9 | 74 | (autoload 'rfc2104-hash "rfc2104") |
60ed3fa5 | 75 | (autoload 'netrc-parse "netrc") |
0d1c958a RS |
76 | (autoload 'netrc-machine "netrc") |
77 | (autoload 'netrc-get "netrc") | |
24975917 RS |
78 | |
79 | ;;; | |
00ed33e7 RS |
80 | (defgroup smtpmail nil |
81 | "SMTP protocol for sending mail." | |
82 | :group 'mail) | |
24975917 | 83 | |
00ed33e7 RS |
84 | |
85 | (defcustom smtpmail-default-smtp-server nil | |
b559a041 SJ |
86 | "*Specify default SMTP server. |
87 | This only has effect if you specify it before loading the smtpmail library." | |
00ed33e7 RS |
88 | :type '(choice (const nil) string) |
89 | :group 'smtpmail) | |
90 | ||
a8ba4429 | 91 | (defcustom smtpmail-smtp-server |
e2f7c221 | 92 | (or (getenv "SMTPSERVER") smtpmail-default-smtp-server) |
00ed33e7 RS |
93 | "*The name of the host running SMTP server." |
94 | :type '(choice (const nil) string) | |
95 | :group 'smtpmail) | |
24975917 | 96 | |
00ed33e7 | 97 | (defcustom smtpmail-smtp-service 25 |
9056f1c9 RS |
98 | "*SMTP service port number. |
99 | The default value would be \"smtp\" or 25 ." | |
100 | :type '(choice (integer :tag "Port") (string :tag "Service")) | |
00ed33e7 | 101 | :group 'smtpmail) |
24975917 | 102 | |
00ed33e7 | 103 | (defcustom smtpmail-local-domain nil |
24975917 RS |
104 | "*Local domain name without a host name. |
105 | If the function (system-name) returns the full internet address, | |
00ed33e7 RS |
106 | don't define this value." |
107 | :type '(choice (const nil) string) | |
108 | :group 'smtpmail) | |
109 | ||
e889eabc GM |
110 | (defcustom smtpmail-sendto-domain nil |
111 | "*Local domain name without a host name. | |
112 | This is appended (with an @-sign) to any specified recipients which do | |
113 | not include an @-sign, so that each RCPT TO address is fully qualified. | |
114 | \(Some configurations of sendmail require this.) | |
115 | ||
116 | Don't bother to set this unless you have get an error like: | |
117 | Sending failed; SMTP protocol error | |
118 | when sending mail, and the *trace of SMTP session to <somewhere>* | |
119 | buffer includes an exchange like: | |
120 | RCPT TO: <someone> | |
121 | 501 <someone>: recipient address must contain a domain | |
122 | " | |
123 | :type '(choice (const nil) string) | |
124 | :group 'smtpmail) | |
125 | ||
00ed33e7 | 126 | (defcustom smtpmail-debug-info nil |
9056f1c9 RS |
127 | "Whether to print info in buffer *trace of SMTP session to <somewhere>*. |
128 | See also `smtpmail-debug-verb' which determines if the SMTP protocol should | |
129 | be verbose as well." | |
130 | :type 'boolean | |
131 | :group 'smtpmail) | |
132 | ||
133 | (defcustom smtpmail-debug-verb nil | |
134 | "Whether this library sends the SMTP VERB command or not. | |
135 | The commands enables verbose information from the SMTP server." | |
00ed33e7 RS |
136 | :type 'boolean |
137 | :group 'smtpmail) | |
138 | ||
139 | (defcustom smtpmail-code-conv-from nil ;; *junet* | |
140 | "*smtpmail code convert from this code to *internal*..for tiny-mime.." | |
141 | :type 'boolean | |
142 | :group 'smtpmail) | |
24975917 | 143 | |
a8ba4429 | 144 | (defcustom smtpmail-queue-mail nil |
308bc5d8 RS |
145 | "*Specify if mail is queued (if t) or sent immediately (if nil). |
146 | If queued, it is stored in the directory `smtpmail-queue-dir' | |
147 | and sent with `smtpmail-send-queued-mail'." | |
148 | :type 'boolean | |
149 | :group 'smtpmail) | |
150 | ||
151 | (defcustom smtpmail-queue-dir "~/Mail/queued-mail/" | |
152 | "*Directory where `smtpmail.el' stores queued mail." | |
153 | :type 'directory | |
154 | :group 'smtpmail) | |
155 | ||
60ed3fa5 RS |
156 | (defcustom smtpmail-auth-credentials "~/.authinfo" |
157 | "Specify username and password for servers, directly or via .netrc file. | |
158 | This variable can either be a filename pointing to a file in netrc(5) | |
159 | format, or list of four-element lists that contain, in order, | |
9056f1c9 | 160 | `servername' (a string), `port' (an integer), `user' (a string) and |
60ed3fa5 RS |
161 | `password' (a string, or nil to query the user when needed). If you |
162 | need to enter a `realm' too, add it to the user string, so that it | |
163 | looks like `user@realm'." | |
164 | :type '(choice file | |
165 | (repeat (list (string :tag "Server") | |
9056f1c9 RS |
166 | (integer :tag "Port") |
167 | (string :tag "Username") | |
168 | (choice (const :tag "Query when needed" nil) | |
60ed3fa5 | 169 | (string :tag "Password"))))) |
1a8e727b | 170 | :version "21.4" |
9056f1c9 RS |
171 | :group 'smtpmail) |
172 | ||
173 | (defcustom smtpmail-starttls-credentials '(("" 25 "" "")) | |
174 | "Specify STARTTLS keys and certificates for servers. | |
175 | This is a list of four-element list with `servername' (a string), | |
176 | `port' (an integer), `key' (a filename) and `certificate' (a filename)." | |
177 | :type '(repeat (list (string :tag "Server") | |
178 | (integer :tag "Port") | |
179 | (file :tag "Key") | |
180 | (file :tag "Certificate"))) | |
181 | :version "21.1" | |
182 | :group 'smtpmail) | |
183 | ||
1b62b062 GM |
184 | (defcustom smtpmail-warn-about-unknown-extensions nil |
185 | "*If set, print warnings about unknown SMTP extensions. | |
186 | This is mainly useful for development purposes, to learn about | |
187 | new SMTP extensions that might be useful to support." | |
188 | :type 'boolean | |
fa87f673 | 189 | :version "21.1" |
1b62b062 GM |
190 | :group 'smtpmail) |
191 | ||
308bc5d8 RS |
192 | (defvar smtpmail-queue-index-file "index" |
193 | "File name of queued mail index, | |
194 | This is relative to `smtpmail-queue-dir'.") | |
195 | ||
fb035bbf RS |
196 | (defvar smtpmail-address-buffer) |
197 | (defvar smtpmail-recipient-address-list) | |
198 | ||
08b10dd4 RS |
199 | (defvar smtpmail-queue-counter 0) |
200 | ||
fb035bbf RS |
201 | ;; Buffer-local variable. |
202 | (defvar smtpmail-read-point) | |
203 | ||
308bc5d8 RS |
204 | (defvar smtpmail-queue-index (concat smtpmail-queue-dir |
205 | smtpmail-queue-index-file)) | |
206 | ||
9056f1c9 RS |
207 | (defconst smtpmail-auth-supported '(cram-md5 login) |
208 | "List of supported SMTP AUTH mechanisms.") | |
209 | ||
24975917 RS |
210 | ;;; |
211 | ;;; | |
212 | ;;; | |
213 | ||
850ed7b3 | 214 | (defvar smtpmail-mail-address nil |
2265c623 | 215 | "Value to use for envelope-from address for mail from ambient buffer.") |
850ed7b3 | 216 | |
f38d3514 | 217 | ;;;###autoload |
24975917 RS |
218 | (defun smtpmail-send-it () |
219 | (let ((errbuf (if mail-interactive | |
220 | (generate-new-buffer " smtpmail errors") | |
221 | 0)) | |
222 | (tembuf (generate-new-buffer " smtpmail temp")) | |
223 | (case-fold-search nil) | |
24975917 | 224 | delimline |
83af570e | 225 | (mailbuf (current-buffer)) |
ff981226 GM |
226 | ;; Examine this variable now, so that |
227 | ;; local binding in the mail buffer will take effect. | |
2265c623 GM |
228 | (smtpmail-mail-address |
229 | (or (and mail-specify-envelope-from (mail-envelope-from)) | |
230 | user-mail-address)) | |
83af570e KH |
231 | (smtpmail-code-conv-from |
232 | (if enable-multibyte-characters | |
233 | (let ((sendmail-coding-system smtpmail-code-conv-from)) | |
234 | (select-message-coding-system))))) | |
24975917 RS |
235 | (unwind-protect |
236 | (save-excursion | |
237 | (set-buffer tembuf) | |
238 | (erase-buffer) | |
239 | (insert-buffer-substring mailbuf) | |
240 | (goto-char (point-max)) | |
241 | ;; require one newline at the end. | |
242 | (or (= (preceding-char) ?\n) | |
243 | (insert ?\n)) | |
244 | ;; Change header-delimiter to be what sendmail expects. | |
92a3f23d | 245 | (mail-sendmail-undelimit-header) |
24975917 | 246 | (setq delimline (point-marker)) |
e2f7c221 | 247 | ;; (sendmail-synch-aliases) |
24975917 RS |
248 | (if mail-aliases |
249 | (expand-mail-aliases (point-min) delimline)) | |
250 | (goto-char (point-min)) | |
251 | ;; ignore any blank lines in the header | |
252 | (while (and (re-search-forward "\n\n\n*" delimline t) | |
253 | (< (point) delimline)) | |
254 | (replace-match "\n")) | |
255 | (let ((case-fold-search t)) | |
5feeeae2 RS |
256 | ;; We used to process Resent-... headers here, |
257 | ;; but it was not done properly, and the job | |
258 | ;; is done correctly in smtpmail-deduce-address-list. | |
24975917 RS |
259 | ;; Don't send out a blank subject line |
260 | (goto-char (point-min)) | |
5feeeae2 RS |
261 | (if (re-search-forward "^Subject:\\([ \t]*\n\\)+\\b" delimline t) |
262 | (replace-match "") | |
263 | ;; This one matches a Subject just before the header delimiter. | |
264 | (if (and (re-search-forward "^Subject:\\([ \t]*\n\\)+" delimline t) | |
265 | (= (match-end 0) delimline)) | |
266 | (replace-match ""))) | |
0e2701ca RS |
267 | ;; Put the "From:" field in unless for some odd reason |
268 | ;; they put one in themselves. | |
269 | (goto-char (point-min)) | |
270 | (if (not (re-search-forward "^From:" delimline t)) | |
850ed7b3 | 271 | (let* ((login smtpmail-mail-address) |
0e2701ca RS |
272 | (fullname (user-full-name))) |
273 | (cond ((eq mail-from-style 'angles) | |
274 | (insert "From: " fullname) | |
275 | (let ((fullname-start (+ (point-min) 6)) | |
276 | (fullname-end (point-marker))) | |
277 | (goto-char fullname-start) | |
278 | ;; Look for a character that cannot appear unquoted | |
279 | ;; according to RFC 822. | |
280 | (if (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" | |
281 | fullname-end 1) | |
282 | (progn | |
283 | ;; Quote fullname, escaping specials. | |
284 | (goto-char fullname-start) | |
285 | (insert "\"") | |
286 | (while (re-search-forward "[\"\\]" | |
287 | fullname-end 1) | |
288 | (replace-match "\\\\\\&" t)) | |
289 | (insert "\"")))) | |
290 | (insert " <" login ">\n")) | |
291 | ((eq mail-from-style 'parens) | |
292 | (insert "From: " login " (") | |
293 | (let ((fullname-start (point))) | |
294 | (insert fullname) | |
295 | (let ((fullname-end (point-marker))) | |
296 | (goto-char fullname-start) | |
297 | ;; RFC 822 says \ and nonmatching parentheses | |
298 | ;; must be escaped in comments. | |
299 | ;; Escape every instance of ()\ ... | |
300 | (while (re-search-forward "[()\\]" fullname-end 1) | |
301 | (replace-match "\\\\\\&" t)) | |
302 | ;; ... then undo escaping of matching parentheses, | |
303 | ;; including matching nested parentheses. | |
304 | (goto-char fullname-start) | |
a8ba4429 | 305 | (while (re-search-forward |
0e2701ca RS |
306 | "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)" |
307 | fullname-end 1) | |
308 | (replace-match "\\1(\\3)" t) | |
309 | (goto-char fullname-start)))) | |
310 | (insert ")\n")) | |
311 | ((null mail-from-style) | |
312 | (insert "From: " login "\n"))))) | |
21bf0d6c SM |
313 | ;; Insert a `Message-Id:' field if there isn't one yet. |
314 | (goto-char (point-min)) | |
315 | (unless (re-search-forward "^Message-Id:" delimline t) | |
316 | (insert "Message-Id: " (message-make-message-id) "\n")) | |
317 | ;; Insert a `Date:' field if there isn't one yet. | |
318 | (goto-char (point-min)) | |
319 | (unless (re-search-forward "^Date:" delimline t) | |
320 | (insert "Date: " (message-make-date) "\n")) | |
24975917 RS |
321 | ;; Insert an extra newline if we need it to work around |
322 | ;; Sun's bug that swallows newlines. | |
323 | (goto-char (1+ delimline)) | |
324 | (if (eval mail-mailer-swallows-blank-line) | |
325 | (newline)) | |
0e2701ca RS |
326 | ;; Find and handle any FCC fields. |
327 | (goto-char (point-min)) | |
328 | (if (re-search-forward "^FCC:" delimline t) | |
329 | (mail-do-fcc delimline)) | |
24975917 | 330 | (if mail-interactive |
21bf0d6c | 331 | (with-current-buffer errbuf |
24975917 RS |
332 | (erase-buffer)))) |
333 | ;; | |
334 | ;; | |
335 | ;; | |
336 | (setq smtpmail-address-buffer (generate-new-buffer "*smtp-mail*")) | |
337 | (setq smtpmail-recipient-address-list | |
5feeeae2 | 338 | (smtpmail-deduce-address-list tembuf (point-min) delimline)) |
24975917 | 339 | (kill-buffer smtpmail-address-buffer) |
a8ba4429 | 340 | |
24975917 | 341 | (smtpmail-do-bcc delimline) |
308bc5d8 RS |
342 | ; Send or queue |
343 | (if (not smtpmail-queue-mail) | |
344 | (if (not (null smtpmail-recipient-address-list)) | |
a8ba4429 | 345 | (if (not (smtpmail-via-smtp |
308bc5d8 RS |
346 | smtpmail-recipient-address-list tembuf)) |
347 | (error "Sending failed; SMTP protocol error")) | |
348 | (error "Sending failed; no recipients")) | |
bf6e31bc SJ |
349 | (let* ((file-data |
350 | (expand-file-name | |
351 | (format "%s_%i" | |
352 | (format-time-string "%Y-%m-%d_%H:%M:%S") | |
353 | (setq smtpmail-queue-counter | |
354 | (1+ smtpmail-queue-counter))) | |
355 | smtpmail-queue-dir)) | |
356 | (file-data (convert-standard-filename file-data)) | |
357 | (file-elisp (concat file-data ".el")) | |
308bc5d8 RS |
358 | (buffer-data (create-file-buffer file-data)) |
359 | (buffer-elisp (create-file-buffer file-elisp)) | |
360 | (buffer-scratch "*queue-mail*")) | |
2fbc1118 JB |
361 | (unless (file-exists-p smtpmail-queue-dir) |
362 | (make-directory smtpmail-queue-dir t)) | |
21bf0d6c | 363 | (with-current-buffer buffer-data |
308bc5d8 RS |
364 | (erase-buffer) |
365 | (insert-buffer tembuf) | |
366 | (write-file file-data) | |
367 | (set-buffer buffer-elisp) | |
368 | (erase-buffer) | |
369 | (insert (concat | |
370 | "(setq smtpmail-recipient-address-list '" | |
371 | (prin1-to-string smtpmail-recipient-address-list) | |
a8ba4429 | 372 | ")\n")) |
308bc5d8 RS |
373 | (write-file file-elisp) |
374 | (set-buffer (generate-new-buffer buffer-scratch)) | |
375 | (insert (concat file-data "\n")) | |
a8ba4429 SS |
376 | (append-to-file (point-min) |
377 | (point-max) | |
308bc5d8 RS |
378 | smtpmail-queue-index) |
379 | ) | |
380 | (kill-buffer buffer-scratch) | |
381 | (kill-buffer buffer-data) | |
382 | (kill-buffer buffer-elisp)))) | |
24975917 RS |
383 | (kill-buffer tembuf) |
384 | (if (bufferp errbuf) | |
385 | (kill-buffer errbuf))))) | |
386 | ||
74f39ce9 | 387 | ;;;###autoload |
308bc5d8 RS |
388 | (defun smtpmail-send-queued-mail () |
389 | "Send mail that was queued as a result of setting `smtpmail-queue-mail'." | |
390 | (interactive) | |
7e3fa9f5 EZ |
391 | (with-temp-buffer |
392 | ;;; Get index, get first mail, send it, update index, get second | |
393 | ;;; mail, send it, etc... | |
394 | (let ((file-msg "")) | |
395 | (insert-file-contents smtpmail-queue-index) | |
308bc5d8 RS |
396 | (beginning-of-buffer) |
397 | (while (not (eobp)) | |
21bf0d6c | 398 | (setq file-msg (buffer-substring (point) (line-end-position))) |
308bc5d8 | 399 | (load file-msg) |
19a0baf7 EZ |
400 | ;; Insert the message literally: it is already encoded as per |
401 | ;; the MIME headers, and code conversions might guess the | |
402 | ;; encoding wrongly. | |
7e3fa9f5 EZ |
403 | (with-temp-buffer |
404 | (let ((coding-system-for-read 'no-conversion)) | |
405 | (insert-file-contents file-msg)) | |
ff981226 GM |
406 | (let ((smtpmail-mail-address |
407 | (or (and mail-specify-envelope-from (mail-envelope-from)) | |
408 | user-mail-address))) | |
409 | (if (not (null smtpmail-recipient-address-list)) | |
410 | (if (not (smtpmail-via-smtp smtpmail-recipient-address-list | |
411 | (current-buffer))) | |
412 | (error "Sending failed; SMTP protocol error")) | |
413 | (error "Sending failed; no recipients")))) | |
308bc5d8 RS |
414 | (delete-file file-msg) |
415 | (delete-file (concat file-msg ".el")) | |
95754b9f | 416 | (delete-region (point-at-bol) (point-at-bol 2))) |
7e3fa9f5 | 417 | (write-region (point-min) (point-max) smtpmail-queue-index)))) |
24975917 RS |
418 | |
419 | ;(defun smtpmail-via-smtp (host,port,sender,destination,smtpmail-text-buffer) | |
420 | ||
421 | (defun smtpmail-fqdn () | |
422 | (if smtpmail-local-domain | |
423 | (concat (system-name) "." smtpmail-local-domain) | |
424 | (system-name))) | |
425 | ||
9056f1c9 RS |
426 | (defsubst smtpmail-cred-server (cred) |
427 | (nth 0 cred)) | |
428 | ||
429 | (defsubst smtpmail-cred-port (cred) | |
430 | (nth 1 cred)) | |
431 | ||
432 | (defsubst smtpmail-cred-key (cred) | |
433 | (nth 2 cred)) | |
434 | ||
435 | (defsubst smtpmail-cred-user (cred) | |
436 | (nth 2 cred)) | |
437 | ||
438 | (defsubst smtpmail-cred-cert (cred) | |
439 | (nth 3 cred)) | |
440 | ||
441 | (defsubst smtpmail-cred-passwd (cred) | |
442 | (nth 3 cred)) | |
443 | ||
444 | (defun smtpmail-find-credentials (cred server port) | |
445 | (catch 'done | |
446 | (let ((l cred) el) | |
447 | (while (setq el (pop l)) | |
448 | (when (and (equal server (smtpmail-cred-server el)) | |
449 | (equal port (smtpmail-cred-port el))) | |
450 | (throw 'done el)))))) | |
451 | ||
2b5c7e03 GM |
452 | (defun smtpmail-maybe-append-domain (recipient) |
453 | (if (or (not smtpmail-sendto-domain) | |
454 | (string-match "@" recipient)) | |
455 | recipient | |
456 | (concat recipient "@" smtpmail-sendto-domain))) | |
457 | ||
9056f1c9 RS |
458 | (defun smtpmail-intersection (list1 list2) |
459 | (let ((result nil)) | |
460 | (dolist (el2 list2) | |
461 | (when (memq el2 list1) | |
462 | (push el2 result))) | |
463 | (nreverse result))) | |
464 | ||
465 | (defun smtpmail-open-stream (process-buffer host port) | |
466 | (let ((cred (smtpmail-find-credentials | |
467 | smtpmail-starttls-credentials host port))) | |
468 | (if (null (and cred (condition-case () | |
11c10f3b SJ |
469 | (progn |
470 | (require 'starttls) | |
471 | (call-process starttls-program)) | |
9056f1c9 RS |
472 | (error nil)))) |
473 | ;; The normal case. | |
474 | (open-network-stream "SMTP" process-buffer host port) | |
475 | (let* ((cred-key (smtpmail-cred-key cred)) | |
476 | (cred-cert (smtpmail-cred-cert cred)) | |
477 | (starttls-extra-args | |
478 | (when (and (stringp cred-key) (stringp cred-cert) | |
479 | (file-regular-p | |
480 | (setq cred-key (expand-file-name cred-key))) | |
481 | (file-regular-p | |
482 | (setq cred-cert (expand-file-name cred-cert)))) | |
483 | (list "--key-file" cred-key "--cert-file" cred-cert)))) | |
484 | (starttls-open-stream "SMTP" process-buffer host port))))) | |
485 | ||
486 | (defun smtpmail-try-auth-methods (process supported-extensions host port) | |
487 | (let* ((mechs (cdr-safe (assoc 'auth supported-extensions))) | |
488 | (mech (car (smtpmail-intersection smtpmail-auth-supported mechs))) | |
60ed3fa5 RS |
489 | (cred (if (stringp smtpmail-auth-credentials) |
490 | (let* ((netrc (netrc-parse smtpmail-auth-credentials)) | |
a8ba4429 | 491 | (hostentry (netrc-machine |
60ed3fa5 RS |
492 | netrc host (format "%s" (or port "smtp")) |
493 | "smtp"))) | |
a8ba4429 SS |
494 | (when hostentry |
495 | (list host port | |
496 | (netrc-get hostentry "login") | |
497 | (netrc-get hostentry "password")))) | |
60ed3fa5 RS |
498 | (smtpmail-find-credentials |
499 | smtpmail-auth-credentials host port))) | |
9056f1c9 RS |
500 | (passwd (when cred |
501 | (or (smtpmail-cred-passwd cred) | |
502 | (read-passwd | |
503 | (format "SMTP password for %s:%s: " | |
504 | (smtpmail-cred-server cred) | |
505 | (smtpmail-cred-port cred)))))) | |
506 | ret) | |
507 | (when cred | |
508 | (cond | |
509 | ((eq mech 'cram-md5) | |
510 | (smtpmail-send-command process (format "AUTH %s" mech)) | |
511 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
512 | (not (integerp (car ret))) | |
513 | (>= (car ret) 400)) | |
514 | (throw 'done nil)) | |
515 | (when (eq (car ret) 334) | |
516 | (let* ((challenge (substring (cadr ret) 4)) | |
517 | (decoded (base64-decode-string challenge)) | |
518 | (hash (rfc2104-hash 'md5 64 16 passwd decoded)) | |
519 | (response (concat (smtpmail-cred-user cred) " " hash)) | |
520 | (encoded (base64-encode-string response))) | |
521 | (smtpmail-send-command process (format "%s" encoded)) | |
522 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
523 | (not (integerp (car ret))) | |
524 | (>= (car ret) 400)) | |
525 | (throw 'done nil))))) | |
526 | ((eq mech 'login) | |
527 | (smtpmail-send-command process "AUTH LOGIN") | |
528 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
529 | (not (integerp (car ret))) | |
530 | (>= (car ret) 400)) | |
531 | (throw 'done nil)) | |
532 | (smtpmail-send-command | |
533 | process (base64-encode-string (smtpmail-cred-user cred))) | |
534 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
535 | (not (integerp (car ret))) | |
536 | (>= (car ret) 400)) | |
537 | (throw 'done nil)) | |
538 | (smtpmail-send-command process (base64-encode-string passwd)) | |
539 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
540 | (not (integerp (car ret))) | |
541 | (>= (car ret) 400)) | |
542 | (throw 'done nil))) | |
543 | (t | |
a8ba4429 | 544 | (error "Mechanism %s not implemented" mech))) |
9056f1c9 | 545 | ;; Remember the password. |
60ed3fa5 RS |
546 | (when (and (not (stringp smtpmail-auth-credentials)) |
547 | (null (smtpmail-cred-passwd cred))) | |
9056f1c9 RS |
548 | (setcar (cdr (cdr (cdr cred))) passwd))))) |
549 | ||
24975917 RS |
550 | (defun smtpmail-via-smtp (recipient smtpmail-text-buffer) |
551 | (let ((process nil) | |
f38d3514 KH |
552 | (host (or smtpmail-smtp-server |
553 | (error "`smtpmail-smtp-server' not defined"))) | |
8805249b | 554 | (port smtpmail-smtp-service) |
ff981226 GM |
555 | ;; smtpmail-mail-address should be set to the appropriate |
556 | ;; buffer-local value by the caller, but in case not: | |
557 | (envelope-from (or smtpmail-mail-address | |
558 | (and mail-specify-envelope-from | |
559 | (mail-envelope-from)) | |
560 | user-mail-address)) | |
24975917 | 561 | response-code |
8805249b | 562 | greeting |
c50d5ce0 RS |
563 | process-buffer |
564 | (supported-extensions '())) | |
24975917 RS |
565 | (unwind-protect |
566 | (catch 'done | |
567 | ;; get or create the trace buffer | |
568 | (setq process-buffer | |
569 | (get-buffer-create (format "*trace of SMTP session to %s*" host))) | |
570 | ||
571 | ;; clear the trace buffer of old output | |
21bf0d6c | 572 | (with-current-buffer process-buffer |
24975917 RS |
573 | (erase-buffer)) |
574 | ||
575 | ;; open the connection to the server | |
9056f1c9 | 576 | (setq process (smtpmail-open-stream process-buffer host port)) |
24975917 RS |
577 | (and (null process) (throw 'done nil)) |
578 | ||
579 | ;; set the send-filter | |
580 | (set-process-filter process 'smtpmail-process-filter) | |
581 | ||
21bf0d6c | 582 | (with-current-buffer process-buffer |
4b876894 | 583 | (set-buffer-process-coding-system 'raw-text-unix 'raw-text-unix) |
24975917 RS |
584 | (make-local-variable 'smtpmail-read-point) |
585 | (setq smtpmail-read-point (point-min)) | |
586 | ||
a8ba4429 | 587 | |
24975917 RS |
588 | (if (or (null (car (setq greeting (smtpmail-read-response process)))) |
589 | (not (integerp (car greeting))) | |
590 | (>= (car greeting) 400)) | |
591 | (throw 'done nil) | |
592 | ) | |
593 | ||
9056f1c9 RS |
594 | (let ((do-ehlo t) |
595 | (do-starttls t)) | |
596 | (while do-ehlo | |
c50d5ce0 RS |
597 | ;; EHLO |
598 | (smtpmail-send-command process (format "EHLO %s" (smtpmail-fqdn))) | |
24975917 | 599 | |
9056f1c9 RS |
600 | (if (or (null (car (setq response-code |
601 | (smtpmail-read-response process)))) | |
24975917 RS |
602 | (not (integerp (car response-code))) |
603 | (>= (car response-code) 400)) | |
c50d5ce0 RS |
604 | (progn |
605 | ;; HELO | |
9056f1c9 RS |
606 | (smtpmail-send-command |
607 | process (format "HELO %s" (smtpmail-fqdn))) | |
c50d5ce0 | 608 | |
9056f1c9 RS |
609 | (if (or (null (car (setq response-code |
610 | (smtpmail-read-response process)))) | |
c50d5ce0 RS |
611 | (not (integerp (car response-code))) |
612 | (>= (car response-code) 400)) | |
613 | (throw 'done nil))) | |
9056f1c9 RS |
614 | (dolist (line (cdr (cdr response-code))) |
615 | (let ((name (mapcar (lambda (s) (intern (downcase s))) | |
616 | (split-string (substring line 4) "[ ]")))) | |
617 | (and (eq (length name) 1) | |
618 | (setq name (car name))) | |
c50d5ce0 | 619 | (and name |
9056f1c9 RS |
620 | (cond ((memq (if (consp name) (car name) name) |
621 | '(verb xvrb 8bitmime onex xone | |
c50d5ce0 | 622 | expn size dsn etrn |
9056f1c9 RS |
623 | enhancedstatuscodes |
624 | help xusr | |
625 | auth=login auth starttls)) | |
c50d5ce0 RS |
626 | (setq supported-extensions |
627 | (cons name supported-extensions))) | |
1b62b062 | 628 | (smtpmail-warn-about-unknown-extensions |
9056f1c9 RS |
629 | (message "Unknown extension %s" name))))))) |
630 | ||
631 | (if (and do-starttls | |
632 | (smtpmail-find-credentials smtpmail-starttls-credentials host port) | |
633 | (member 'starttls supported-extensions) | |
f029e7b0 | 634 | (numberp (process-id process))) |
9056f1c9 RS |
635 | (progn |
636 | (smtpmail-send-command process (format "STARTTLS")) | |
637 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
638 | (not (integerp (car response-code))) | |
639 | (>= (car response-code) 400)) | |
640 | (throw 'done nil)) | |
641 | (starttls-negotiate process) | |
642 | (setq do-starttls nil)) | |
643 | (setq do-ehlo nil)))) | |
a8ba4429 | 644 | |
9056f1c9 | 645 | (smtpmail-try-auth-methods process supported-extensions host port) |
c50d5ce0 RS |
646 | |
647 | (if (or (member 'onex supported-extensions) | |
648 | (member 'xone supported-extensions)) | |
649 | (progn | |
650 | (smtpmail-send-command process (format "ONEX")) | |
651 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
652 | (not (integerp (car response-code))) | |
653 | (>= (car response-code) 400)) | |
654 | (throw 'done nil)))) | |
655 | ||
9056f1c9 | 656 | (if (and smtpmail-debug-verb |
c50d5ce0 RS |
657 | (or (member 'verb supported-extensions) |
658 | (member 'xvrb supported-extensions))) | |
659 | (progn | |
660 | (smtpmail-send-command process (format "VERB")) | |
661 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
662 | (not (integerp (car response-code))) | |
663 | (>= (car response-code) 400)) | |
664 | (throw 'done nil)))) | |
665 | ||
666 | (if (member 'xusr supported-extensions) | |
667 | (progn | |
668 | (smtpmail-send-command process (format "XUSR")) | |
669 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
670 | (not (integerp (car response-code))) | |
671 | (>= (car response-code) 400)) | |
672 | (throw 'done nil)))) | |
24975917 RS |
673 | |
674 | ;; MAIL FROM: <sender> | |
c50d5ce0 | 675 | (let ((size-part |
9056f1c9 RS |
676 | (if (or (member 'size supported-extensions) |
677 | (assoc 'size supported-extensions)) | |
c50d5ce0 | 678 | (format " SIZE=%d" |
21bf0d6c | 679 | (with-current-buffer smtpmail-text-buffer |
c50d5ce0 RS |
680 | ;; size estimate: |
681 | (+ (- (point-max) (point-min)) | |
682 | ;; Add one byte for each change-of-line | |
683 | ;; because or CR-LF representation: | |
684 | (count-lines (point-min) (point-max)) | |
685 | ;; For some reason, an empty line is | |
686 | ;; added to the message. Maybe this | |
687 | ;; is a bug, but it can't hurt to add | |
688 | ;; those two bytes anyway: | |
689 | 2))) | |
690 | "")) | |
691 | (body-part | |
692 | (if (member '8bitmime supported-extensions) | |
693 | ;; FIXME: | |
694 | ;; Code should be added here that transforms | |
695 | ;; the contents of the message buffer into | |
696 | ;; something the receiving SMTP can handle. | |
697 | ;; For a receiver that supports 8BITMIME, this | |
698 | ;; may mean converting BINARY to BASE64, or | |
699 | ;; adding Content-Transfer-Encoding and the | |
700 | ;; other MIME headers. The code should also | |
701 | ;; return an indication of what encoding the | |
702 | ;; message buffer is now, i.e. ASCII or | |
703 | ;; 8BITMIME. | |
704 | (if nil | |
705 | " BODY=8BITMIME" | |
706 | "") | |
707 | ""))) | |
708 | ; (smtpmail-send-command process (format "MAIL FROM:%s@%s" (user-login-name) (smtpmail-fqdn))) | |
709 | (smtpmail-send-command process (format "MAIL FROM: <%s>%s%s" | |
ff981226 | 710 | envelope-from |
c50d5ce0 RS |
711 | size-part |
712 | body-part)) | |
a1506d29 | 713 | |
c50d5ce0 RS |
714 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) |
715 | (not (integerp (car response-code))) | |
716 | (>= (car response-code) 400)) | |
717 | (throw 'done nil) | |
718 | )) | |
a8ba4429 | 719 | |
24975917 | 720 | ;; RCPT TO: <recipient> |
8805249b RS |
721 | (let ((n 0)) |
722 | (while (not (null (nth n recipient))) | |
2b5c7e03 | 723 | (smtpmail-send-command process (format "RCPT TO: <%s>" (smtpmail-maybe-append-domain (nth n recipient)))) |
8805249b RS |
724 | (setq n (1+ n)) |
725 | ||
c50d5ce0 RS |
726 | (setq response-code (smtpmail-read-response process)) |
727 | (if (or (null (car response-code)) | |
8805249b RS |
728 | (not (integerp (car response-code))) |
729 | (>= (car response-code) 400)) | |
730 | (throw 'done nil) | |
731 | ) | |
732 | )) | |
a8ba4429 | 733 | |
24975917 RS |
734 | ;; DATA |
735 | (smtpmail-send-command process "DATA") | |
736 | ||
737 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
738 | (not (integerp (car response-code))) | |
739 | (>= (car response-code) 400)) | |
740 | (throw 'done nil) | |
741 | ) | |
742 | ||
743 | ;; Mail contents | |
744 | (smtpmail-send-data process smtpmail-text-buffer) | |
745 | ||
746 | ;;DATA end "." | |
747 | (smtpmail-send-command process ".") | |
748 | ||
749 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
750 | (not (integerp (car response-code))) | |
751 | (>= (car response-code) 400)) | |
752 | (throw 'done nil) | |
753 | ) | |
754 | ||
755 | ;;QUIT | |
756 | ; (smtpmail-send-command process "QUIT") | |
757 | ; (and (null (car (smtpmail-read-response process))) | |
758 | ; (throw 'done nil)) | |
759 | t )) | |
760 | (if process | |
21bf0d6c | 761 | (with-current-buffer (process-buffer process) |
24975917 RS |
762 | (smtpmail-send-command process "QUIT") |
763 | (smtpmail-read-response process) | |
764 | ||
765 | ; (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
766 | ; (not (integerp (car response-code))) | |
767 | ; (>= (car response-code) 400)) | |
768 | ; (throw 'done nil) | |
769 | ; ) | |
1121afb4 SJ |
770 | (delete-process process) |
771 | (unless smtpmail-debug-info | |
772 | (kill-buffer process-buffer))))))) | |
24975917 RS |
773 | |
774 | ||
24975917 | 775 | (defun smtpmail-process-filter (process output) |
21bf0d6c | 776 | (with-current-buffer (process-buffer process) |
24975917 RS |
777 | (goto-char (point-max)) |
778 | (insert output))) | |
779 | ||
24975917 RS |
780 | (defun smtpmail-read-response (process) |
781 | (let ((case-fold-search nil) | |
c50d5ce0 | 782 | (response-strings nil) |
24975917 | 783 | (response-continue t) |
c50d5ce0 | 784 | (return-value '(nil ())) |
24975917 RS |
785 | match-end) |
786 | ||
24975917 | 787 | (while response-continue |
c8d16dbd | 788 | (goto-char smtpmail-read-point) |
24975917 RS |
789 | (while (not (search-forward "\r\n" nil t)) |
790 | (accept-process-output process) | |
791 | (goto-char smtpmail-read-point)) | |
792 | ||
793 | (setq match-end (point)) | |
c50d5ce0 RS |
794 | (setq response-strings |
795 | (cons (buffer-substring smtpmail-read-point (- match-end 2)) | |
796 | response-strings)) | |
a8ba4429 | 797 | |
24975917 RS |
798 | (goto-char smtpmail-read-point) |
799 | (if (looking-at "[0-9]+ ") | |
c50d5ce0 RS |
800 | (let ((begin (match-beginning 0)) |
801 | (end (match-end 0))) | |
802 | (if smtpmail-debug-info | |
803 | (message "%s" (car response-strings))) | |
24975917 | 804 | |
c50d5ce0 | 805 | (setq smtpmail-read-point match-end) |
24975917 | 806 | |
c50d5ce0 RS |
807 | ;; ignore lines that start with "0" |
808 | (if (looking-at "0[0-9]+ ") | |
809 | nil | |
810 | (setq response-continue nil) | |
811 | (setq return-value | |
a8ba4429 SS |
812 | (cons (string-to-int |
813 | (buffer-substring begin end)) | |
c50d5ce0 | 814 | (nreverse response-strings))))) |
a8ba4429 | 815 | |
24975917 | 816 | (if (looking-at "[0-9]+-") |
c50d5ce0 RS |
817 | (progn (if smtpmail-debug-info |
818 | (message "%s" (car response-strings))) | |
819 | (setq smtpmail-read-point match-end) | |
24975917 RS |
820 | (setq response-continue t)) |
821 | (progn | |
822 | (setq smtpmail-read-point match-end) | |
823 | (setq response-continue nil) | |
a8ba4429 | 824 | (setq return-value |
c50d5ce0 | 825 | (cons nil (nreverse response-strings))) |
24975917 RS |
826 | ) |
827 | ))) | |
828 | (setq smtpmail-read-point match-end) | |
829 | return-value)) | |
830 | ||
831 | ||
24975917 RS |
832 | (defun smtpmail-send-command (process command) |
833 | (goto-char (point-max)) | |
834 | (if (= (aref command 0) ?P) | |
835 | (insert "PASS <omitted>\r\n") | |
836 | (insert command "\r\n")) | |
837 | (setq smtpmail-read-point (point)) | |
838 | (process-send-string process command) | |
839 | (process-send-string process "\r\n")) | |
840 | ||
24975917 RS |
841 | (defun smtpmail-send-data-1 (process data) |
842 | (goto-char (point-max)) | |
843 | ||
83af570e KH |
844 | (if (and (multibyte-string-p data) |
845 | smtpmail-code-conv-from) | |
846 | (setq data (string-as-multibyte | |
847 | (encode-coding-string data smtpmail-code-conv-from)))) | |
a8ba4429 | 848 | |
24975917 RS |
849 | (if smtpmail-debug-info |
850 | (insert data "\r\n")) | |
851 | ||
852 | (setq smtpmail-read-point (point)) | |
57810560 KH |
853 | ;; Escape "." at start of a line |
854 | (if (eq (string-to-char data) ?.) | |
24975917 | 855 | (process-send-string process ".")) |
57810560 | 856 | (process-send-string process data) |
24975917 RS |
857 | (process-send-string process "\r\n") |
858 | ) | |
859 | ||
860 | (defun smtpmail-send-data (process buffer) | |
861 | (let | |
862 | ((data-continue t) | |
863 | (sending-data nil) | |
864 | this-line | |
865 | this-line-end) | |
866 | ||
21bf0d6c | 867 | (with-current-buffer buffer |
24975917 RS |
868 | (goto-char (point-min))) |
869 | ||
870 | (while data-continue | |
21bf0d6c | 871 | (with-current-buffer buffer |
24975917 RS |
872 | (beginning-of-line) |
873 | (setq this-line (point)) | |
874 | (end-of-line) | |
875 | (setq this-line-end (point)) | |
876 | (setq sending-data nil) | |
877 | (setq sending-data (buffer-substring this-line this-line-end)) | |
878 | (if (/= (forward-line 1) 0) | |
879 | (setq data-continue nil))) | |
880 | ||
881 | (smtpmail-send-data-1 process sending-data) | |
882 | ) | |
883 | ) | |
884 | ) | |
a8ba4429 | 885 | |
24975917 RS |
886 | |
887 | (defun smtpmail-deduce-address-list (smtpmail-text-buffer header-start header-end) | |
888 | "Get address list suitable for smtp RCPT TO: <address>." | |
1188dd37 | 889 | (unwind-protect |
21bf0d6c SM |
890 | (with-current-buffer smtpmail-address-buffer |
891 | (erase-buffer) | |
1188dd37 AI |
892 | (let |
893 | ((case-fold-search t) | |
894 | (simple-address-list "") | |
895 | this-line | |
896 | this-line-end | |
897 | addr-regexp) | |
24975917 RS |
898 | (insert-buffer-substring smtpmail-text-buffer header-start header-end) |
899 | (goto-char (point-min)) | |
13f1d088 KH |
900 | ;; RESENT-* fields should stop processing of regular fields. |
901 | (save-excursion | |
21bf0d6c SM |
902 | (setq addr-regexp |
903 | (if (re-search-forward "^Resent-\\(to\\|cc\\|bcc\\):" | |
904 | header-end t) | |
905 | "^Resent-\\(to\\|cc\\|bcc\\):" | |
906 | "^\\(To:\\|Cc:\\|Bcc:\\)"))) | |
13f1d088 KH |
907 | |
908 | (while (re-search-forward addr-regexp header-end t) | |
24975917 RS |
909 | (replace-match "") |
910 | (setq this-line (match-beginning 0)) | |
911 | (forward-line 1) | |
912 | ;; get any continuation lines | |
913 | (while (and (looking-at "^[ \t]+") (< (point) header-end)) | |
914 | (forward-line 1)) | |
915 | (setq this-line-end (point-marker)) | |
916 | (setq simple-address-list | |
917 | (concat simple-address-list " " | |
918 | (mail-strip-quoted-names (buffer-substring this-line this-line-end)))) | |
919 | ) | |
920 | (erase-buffer) | |
92dfd10c | 921 | (insert " " simple-address-list "\n") |
24975917 RS |
922 | (subst-char-in-region (point-min) (point-max) 10 ? t);; newline --> blank |
923 | (subst-char-in-region (point-min) (point-max) ?, ? t);; comma --> blank | |
924 | (subst-char-in-region (point-min) (point-max) 9 ? t);; tab --> blank | |
925 | ||
926 | (goto-char (point-min)) | |
927 | ;; tidyness in case hook is not robust when it looks at this | |
928 | (while (re-search-forward "[ \t]+" header-end t) (replace-match " ")) | |
929 | ||
930 | (goto-char (point-min)) | |
8805249b | 931 | (let (recipient-address-list) |
e2f7c221 | 932 | (while (re-search-forward " \\([^ ]+\\) " (point-max) t) |
8805249b | 933 | (backward-char 1) |
e2f7c221 RS |
934 | (setq recipient-address-list (cons (buffer-substring (match-beginning 1) (match-end 1)) |
935 | recipient-address-list)) | |
8805249b RS |
936 | ) |
937 | (setq smtpmail-recipient-address-list recipient-address-list)) | |
24975917 RS |
938 | |
939 | ) | |
1188dd37 | 940 | ) |
24975917 RS |
941 | ) |
942 | ) | |
943 | ||
944 | ||
945 | (defun smtpmail-do-bcc (header-end) | |
5feeeae2 | 946 | "Delete [Resent-]BCC: and their continuation lines from the header area. |
24975917 RS |
947 | There may be multiple BCC: lines, and each may have arbitrarily |
948 | many continuation lines." | |
949 | (let ((case-fold-search t)) | |
067427f5 KH |
950 | (save-excursion |
951 | (goto-char (point-min)) | |
952 | ;; iterate over all BCC: lines | |
953 | (while (re-search-forward "^\\(RESENT-\\)?BCC:" header-end t) | |
954 | (delete-region (match-beginning 0) | |
955 | (progn (forward-line 1) (point))) | |
956 | ;; get rid of any continuation lines | |
957 | (while (and (looking-at "^[ \t].*\n") (< (point) header-end)) | |
958 | (replace-match "")))))) | |
24975917 RS |
959 | |
960 | ||
961 | (provide 'smtpmail) | |
962 | ||
ab5796a9 | 963 | ;;; arch-tag: a76992df-6d71-43b7-9e72-4bacc6c05466 |
092af6d8 | 964 | ;;; smtpmail.el ends here |