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092af6d8 | 1 | ;;; smtpmail.el --- simple SMTP protocol (RFC 821) for sending mail |
24975917 | 2 | |
6b61353c KH |
3 | ;; Copyright (C) 1995, 1996, 2001, 2002, 2003, 2004 |
4 | ;; Free Software Foundation, Inc. | |
24975917 RS |
5 | |
6 | ;; Author: Tomoji Kagatani <kagatani@rbc.ncl.omron.co.jp> | |
9056f1c9 RS |
7 | ;; Maintainer: Simon Josefsson <simon@josefsson.org> |
8 | ;; w32 Maintainer: Brian D. Carlstrom <bdc@ai.mit.edu> | |
c50d5ce0 | 9 | ;; ESMTP support: Simon Leinen <simon@switch.ch> |
2b5c7e03 GM |
10 | ;; Hacked by Mike Taylor, 11th October 1999 to add support for |
11 | ;; automatically appending a domain to RCPT TO: addresses. | |
9056f1c9 | 12 | ;; AUTH=LOGIN support: Stephen Cranefield <scranefield@infoscience.otago.ac.nz> |
24975917 RS |
13 | ;; Keywords: mail |
14 | ||
15 | ;; This file is part of GNU Emacs. | |
16 | ||
17 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
18 | ;; it under the terms of the GNU General Public License as published by | |
19 | ;; the Free Software Foundation; either version 2, or (at your option) | |
20 | ;; any later version. | |
21 | ||
22 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
23 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | ;; GNU General Public License for more details. | |
26 | ||
27 | ;; You should have received a copy of the GNU General Public License | |
28 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
29 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
30 | ;; Boston, MA 02111-1307, USA. | |
31 | ||
32 | ;;; Commentary: | |
33 | ||
34 | ;; Send Mail to smtp host from smtpmail temp buffer. | |
24975917 | 35 | |
f38d3514 | 36 | ;; Please add these lines in your .emacs(_emacs) or use customize. |
24975917 | 37 | ;; |
f38d3514 | 38 | ;;(setq send-mail-function 'smtpmail-send-it) ; if you use `mail' |
08b10dd4 | 39 | ;;(setq message-send-mail-function 'smtpmail-send-it) ; if you use message/Gnus |
24975917 | 40 | ;;(setq smtpmail-default-smtp-server "YOUR SMTP HOST") |
24975917 | 41 | ;;(setq smtpmail-local-domain "YOUR DOMAIN NAME") |
e889eabc | 42 | ;;(setq smtpmail-sendto-domain "YOUR DOMAIN NAME") |
f38d3514 | 43 | ;;(setq smtpmail-debug-info t) ; only to debug problems |
60ed3fa5 | 44 | ;;(setq smtpmail-auth-credentials ; or use ~/.authinfo |
9056f1c9 RS |
45 | ;; '(("YOUR SMTP HOST" 25 "username" "password"))) |
46 | ;;(setq smtpmail-starttls-credentials | |
47 | ;; '(("YOUR SMTP HOST" 25 "~/.my_smtp_tls.key" "~/.my_smtp_tls.cert"))) | |
6b61353c KH |
48 | ;; Where the 25 equals the value of `smtpmail-smtp-service', it can be an |
49 | ;; integer or a string, just as long as they match (eq). | |
24975917 | 50 | |
a8ba4429 | 51 | ;; To queue mail, set smtpmail-queue-mail to t and use |
308bc5d8 RS |
52 | ;; smtpmail-send-queued-mail to send. |
53 | ||
9056f1c9 RS |
54 | ;; Modified by Stephen Cranefield <scranefield@infoscience.otago.ac.nz>, |
55 | ;; 22/6/99, to support SMTP Authentication by the AUTH=LOGIN mechanism. | |
56 | ;; See http://help.netscape.com/products/server/messaging/3x/info/smtpauth.html | |
57 | ;; Rewritten by Simon Josefsson to use same credential variable as AUTH | |
58 | ;; support below. | |
59 | ||
60 | ;; Modified by Simon Josefsson <jas@pdc.kth.se>, 22/2/99, to support SMTP | |
61 | ;; Authentication by the AUTH mechanism. | |
62 | ;; See http://www.ietf.org/rfc/rfc2554.txt | |
63 | ||
64 | ;; Modified by Simon Josefsson <simon@josefsson.org>, 2000-10-07, to support | |
65 | ;; STARTTLS. Requires external program | |
66 | ;; ftp://ftp.opaopa.org/pub/elisp/starttls-*.tar.gz. | |
67 | ;; See http://www.ietf.org/rfc/rfc2246.txt, http://www.ietf.org/rfc/rfc2487.txt | |
308bc5d8 | 68 | |
24975917 RS |
69 | ;;; Code: |
70 | ||
71 | (require 'sendmail) | |
9056f1c9 RS |
72 | (autoload 'starttls-open-stream "starttls") |
73 | (autoload 'starttls-negotiate "starttls") | |
74 | (autoload 'mail-strip-quoted-names "mail-utils") | |
21bf0d6c SM |
75 | (autoload 'message-make-date "message") |
76 | (autoload 'message-make-message-id "message") | |
9056f1c9 | 77 | (autoload 'rfc2104-hash "rfc2104") |
60ed3fa5 | 78 | (autoload 'netrc-parse "netrc") |
0d1c958a RS |
79 | (autoload 'netrc-machine "netrc") |
80 | (autoload 'netrc-get "netrc") | |
24975917 RS |
81 | |
82 | ;;; | |
00ed33e7 RS |
83 | (defgroup smtpmail nil |
84 | "SMTP protocol for sending mail." | |
85 | :group 'mail) | |
24975917 | 86 | |
00ed33e7 RS |
87 | |
88 | (defcustom smtpmail-default-smtp-server nil | |
b559a041 SJ |
89 | "*Specify default SMTP server. |
90 | This only has effect if you specify it before loading the smtpmail library." | |
00ed33e7 RS |
91 | :type '(choice (const nil) string) |
92 | :group 'smtpmail) | |
93 | ||
a8ba4429 | 94 | (defcustom smtpmail-smtp-server |
e2f7c221 | 95 | (or (getenv "SMTPSERVER") smtpmail-default-smtp-server) |
00ed33e7 RS |
96 | "*The name of the host running SMTP server." |
97 | :type '(choice (const nil) string) | |
98 | :group 'smtpmail) | |
24975917 | 99 | |
00ed33e7 | 100 | (defcustom smtpmail-smtp-service 25 |
9056f1c9 RS |
101 | "*SMTP service port number. |
102 | The default value would be \"smtp\" or 25 ." | |
103 | :type '(choice (integer :tag "Port") (string :tag "Service")) | |
00ed33e7 | 104 | :group 'smtpmail) |
24975917 | 105 | |
00ed33e7 | 106 | (defcustom smtpmail-local-domain nil |
24975917 RS |
107 | "*Local domain name without a host name. |
108 | If the function (system-name) returns the full internet address, | |
00ed33e7 RS |
109 | don't define this value." |
110 | :type '(choice (const nil) string) | |
111 | :group 'smtpmail) | |
112 | ||
e889eabc GM |
113 | (defcustom smtpmail-sendto-domain nil |
114 | "*Local domain name without a host name. | |
115 | This is appended (with an @-sign) to any specified recipients which do | |
116 | not include an @-sign, so that each RCPT TO address is fully qualified. | |
117 | \(Some configurations of sendmail require this.) | |
118 | ||
119 | Don't bother to set this unless you have get an error like: | |
120 | Sending failed; SMTP protocol error | |
121 | when sending mail, and the *trace of SMTP session to <somewhere>* | |
122 | buffer includes an exchange like: | |
123 | RCPT TO: <someone> | |
124 | 501 <someone>: recipient address must contain a domain | |
125 | " | |
126 | :type '(choice (const nil) string) | |
127 | :group 'smtpmail) | |
128 | ||
00ed33e7 | 129 | (defcustom smtpmail-debug-info nil |
9056f1c9 RS |
130 | "Whether to print info in buffer *trace of SMTP session to <somewhere>*. |
131 | See also `smtpmail-debug-verb' which determines if the SMTP protocol should | |
132 | be verbose as well." | |
133 | :type 'boolean | |
134 | :group 'smtpmail) | |
135 | ||
136 | (defcustom smtpmail-debug-verb nil | |
137 | "Whether this library sends the SMTP VERB command or not. | |
138 | The commands enables verbose information from the SMTP server." | |
00ed33e7 RS |
139 | :type 'boolean |
140 | :group 'smtpmail) | |
141 | ||
142 | (defcustom smtpmail-code-conv-from nil ;; *junet* | |
143 | "*smtpmail code convert from this code to *internal*..for tiny-mime.." | |
144 | :type 'boolean | |
145 | :group 'smtpmail) | |
24975917 | 146 | |
a8ba4429 | 147 | (defcustom smtpmail-queue-mail nil |
308bc5d8 RS |
148 | "*Specify if mail is queued (if t) or sent immediately (if nil). |
149 | If queued, it is stored in the directory `smtpmail-queue-dir' | |
150 | and sent with `smtpmail-send-queued-mail'." | |
151 | :type 'boolean | |
152 | :group 'smtpmail) | |
153 | ||
154 | (defcustom smtpmail-queue-dir "~/Mail/queued-mail/" | |
155 | "*Directory where `smtpmail.el' stores queued mail." | |
156 | :type 'directory | |
157 | :group 'smtpmail) | |
158 | ||
60ed3fa5 RS |
159 | (defcustom smtpmail-auth-credentials "~/.authinfo" |
160 | "Specify username and password for servers, directly or via .netrc file. | |
161 | This variable can either be a filename pointing to a file in netrc(5) | |
162 | format, or list of four-element lists that contain, in order, | |
9056f1c9 | 163 | `servername' (a string), `port' (an integer), `user' (a string) and |
60ed3fa5 RS |
164 | `password' (a string, or nil to query the user when needed). If you |
165 | need to enter a `realm' too, add it to the user string, so that it | |
166 | looks like `user@realm'." | |
167 | :type '(choice file | |
168 | (repeat (list (string :tag "Server") | |
9056f1c9 RS |
169 | (integer :tag "Port") |
170 | (string :tag "Username") | |
171 | (choice (const :tag "Query when needed" nil) | |
60ed3fa5 | 172 | (string :tag "Password"))))) |
1a8e727b | 173 | :version "21.4" |
9056f1c9 RS |
174 | :group 'smtpmail) |
175 | ||
176 | (defcustom smtpmail-starttls-credentials '(("" 25 "" "")) | |
177 | "Specify STARTTLS keys and certificates for servers. | |
178 | This is a list of four-element list with `servername' (a string), | |
179 | `port' (an integer), `key' (a filename) and `certificate' (a filename)." | |
180 | :type '(repeat (list (string :tag "Server") | |
181 | (integer :tag "Port") | |
182 | (file :tag "Key") | |
183 | (file :tag "Certificate"))) | |
184 | :version "21.1" | |
185 | :group 'smtpmail) | |
186 | ||
1b62b062 GM |
187 | (defcustom smtpmail-warn-about-unknown-extensions nil |
188 | "*If set, print warnings about unknown SMTP extensions. | |
189 | This is mainly useful for development purposes, to learn about | |
190 | new SMTP extensions that might be useful to support." | |
191 | :type 'boolean | |
fa87f673 | 192 | :version "21.1" |
1b62b062 GM |
193 | :group 'smtpmail) |
194 | ||
308bc5d8 RS |
195 | (defvar smtpmail-queue-index-file "index" |
196 | "File name of queued mail index, | |
197 | This is relative to `smtpmail-queue-dir'.") | |
198 | ||
fb035bbf RS |
199 | (defvar smtpmail-address-buffer) |
200 | (defvar smtpmail-recipient-address-list) | |
201 | ||
08b10dd4 RS |
202 | (defvar smtpmail-queue-counter 0) |
203 | ||
fb035bbf RS |
204 | ;; Buffer-local variable. |
205 | (defvar smtpmail-read-point) | |
206 | ||
308bc5d8 RS |
207 | (defvar smtpmail-queue-index (concat smtpmail-queue-dir |
208 | smtpmail-queue-index-file)) | |
209 | ||
9056f1c9 RS |
210 | (defconst smtpmail-auth-supported '(cram-md5 login) |
211 | "List of supported SMTP AUTH mechanisms.") | |
212 | ||
24975917 RS |
213 | ;;; |
214 | ;;; | |
215 | ;;; | |
216 | ||
850ed7b3 | 217 | (defvar smtpmail-mail-address nil |
6b61353c | 218 | "Value to use for envelope-from address for mail from ambient buffer.") |
850ed7b3 | 219 | |
f38d3514 | 220 | ;;;###autoload |
24975917 RS |
221 | (defun smtpmail-send-it () |
222 | (let ((errbuf (if mail-interactive | |
223 | (generate-new-buffer " smtpmail errors") | |
224 | 0)) | |
225 | (tembuf (generate-new-buffer " smtpmail temp")) | |
226 | (case-fold-search nil) | |
24975917 | 227 | delimline |
83af570e | 228 | (mailbuf (current-buffer)) |
6b61353c KH |
229 | ;; Examine this variable now, so that |
230 | ;; local binding in the mail buffer will take effect. | |
231 | (smtpmail-mail-address | |
232 | (or (and mail-specify-envelope-from (mail-envelope-from)) | |
233 | user-mail-address)) | |
83af570e KH |
234 | (smtpmail-code-conv-from |
235 | (if enable-multibyte-characters | |
236 | (let ((sendmail-coding-system smtpmail-code-conv-from)) | |
237 | (select-message-coding-system))))) | |
24975917 RS |
238 | (unwind-protect |
239 | (save-excursion | |
240 | (set-buffer tembuf) | |
241 | (erase-buffer) | |
242 | (insert-buffer-substring mailbuf) | |
243 | (goto-char (point-max)) | |
244 | ;; require one newline at the end. | |
245 | (or (= (preceding-char) ?\n) | |
246 | (insert ?\n)) | |
247 | ;; Change header-delimiter to be what sendmail expects. | |
92a3f23d | 248 | (mail-sendmail-undelimit-header) |
24975917 | 249 | (setq delimline (point-marker)) |
e2f7c221 | 250 | ;; (sendmail-synch-aliases) |
24975917 RS |
251 | (if mail-aliases |
252 | (expand-mail-aliases (point-min) delimline)) | |
253 | (goto-char (point-min)) | |
254 | ;; ignore any blank lines in the header | |
255 | (while (and (re-search-forward "\n\n\n*" delimline t) | |
256 | (< (point) delimline)) | |
257 | (replace-match "\n")) | |
258 | (let ((case-fold-search t)) | |
5feeeae2 RS |
259 | ;; We used to process Resent-... headers here, |
260 | ;; but it was not done properly, and the job | |
261 | ;; is done correctly in smtpmail-deduce-address-list. | |
24975917 RS |
262 | ;; Don't send out a blank subject line |
263 | (goto-char (point-min)) | |
5feeeae2 RS |
264 | (if (re-search-forward "^Subject:\\([ \t]*\n\\)+\\b" delimline t) |
265 | (replace-match "") | |
266 | ;; This one matches a Subject just before the header delimiter. | |
267 | (if (and (re-search-forward "^Subject:\\([ \t]*\n\\)+" delimline t) | |
268 | (= (match-end 0) delimline)) | |
269 | (replace-match ""))) | |
0e2701ca RS |
270 | ;; Put the "From:" field in unless for some odd reason |
271 | ;; they put one in themselves. | |
272 | (goto-char (point-min)) | |
273 | (if (not (re-search-forward "^From:" delimline t)) | |
850ed7b3 | 274 | (let* ((login smtpmail-mail-address) |
0e2701ca RS |
275 | (fullname (user-full-name))) |
276 | (cond ((eq mail-from-style 'angles) | |
277 | (insert "From: " fullname) | |
278 | (let ((fullname-start (+ (point-min) 6)) | |
279 | (fullname-end (point-marker))) | |
280 | (goto-char fullname-start) | |
281 | ;; Look for a character that cannot appear unquoted | |
282 | ;; according to RFC 822. | |
283 | (if (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" | |
284 | fullname-end 1) | |
285 | (progn | |
286 | ;; Quote fullname, escaping specials. | |
287 | (goto-char fullname-start) | |
288 | (insert "\"") | |
289 | (while (re-search-forward "[\"\\]" | |
290 | fullname-end 1) | |
291 | (replace-match "\\\\\\&" t)) | |
292 | (insert "\"")))) | |
293 | (insert " <" login ">\n")) | |
294 | ((eq mail-from-style 'parens) | |
295 | (insert "From: " login " (") | |
296 | (let ((fullname-start (point))) | |
297 | (insert fullname) | |
298 | (let ((fullname-end (point-marker))) | |
299 | (goto-char fullname-start) | |
300 | ;; RFC 822 says \ and nonmatching parentheses | |
301 | ;; must be escaped in comments. | |
302 | ;; Escape every instance of ()\ ... | |
303 | (while (re-search-forward "[()\\]" fullname-end 1) | |
304 | (replace-match "\\\\\\&" t)) | |
305 | ;; ... then undo escaping of matching parentheses, | |
306 | ;; including matching nested parentheses. | |
307 | (goto-char fullname-start) | |
a8ba4429 | 308 | (while (re-search-forward |
0e2701ca RS |
309 | "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)" |
310 | fullname-end 1) | |
311 | (replace-match "\\1(\\3)" t) | |
312 | (goto-char fullname-start)))) | |
313 | (insert ")\n")) | |
314 | ((null mail-from-style) | |
315 | (insert "From: " login "\n"))))) | |
21bf0d6c SM |
316 | ;; Insert a `Message-Id:' field if there isn't one yet. |
317 | (goto-char (point-min)) | |
318 | (unless (re-search-forward "^Message-Id:" delimline t) | |
319 | (insert "Message-Id: " (message-make-message-id) "\n")) | |
320 | ;; Insert a `Date:' field if there isn't one yet. | |
321 | (goto-char (point-min)) | |
322 | (unless (re-search-forward "^Date:" delimline t) | |
323 | (insert "Date: " (message-make-date) "\n")) | |
24975917 RS |
324 | ;; Insert an extra newline if we need it to work around |
325 | ;; Sun's bug that swallows newlines. | |
326 | (goto-char (1+ delimline)) | |
327 | (if (eval mail-mailer-swallows-blank-line) | |
328 | (newline)) | |
0e2701ca RS |
329 | ;; Find and handle any FCC fields. |
330 | (goto-char (point-min)) | |
331 | (if (re-search-forward "^FCC:" delimline t) | |
332 | (mail-do-fcc delimline)) | |
24975917 | 333 | (if mail-interactive |
21bf0d6c | 334 | (with-current-buffer errbuf |
24975917 RS |
335 | (erase-buffer)))) |
336 | ;; | |
337 | ;; | |
338 | ;; | |
339 | (setq smtpmail-address-buffer (generate-new-buffer "*smtp-mail*")) | |
340 | (setq smtpmail-recipient-address-list | |
5feeeae2 | 341 | (smtpmail-deduce-address-list tembuf (point-min) delimline)) |
24975917 | 342 | (kill-buffer smtpmail-address-buffer) |
a8ba4429 | 343 | |
24975917 | 344 | (smtpmail-do-bcc delimline) |
308bc5d8 RS |
345 | ; Send or queue |
346 | (if (not smtpmail-queue-mail) | |
347 | (if (not (null smtpmail-recipient-address-list)) | |
a8ba4429 | 348 | (if (not (smtpmail-via-smtp |
308bc5d8 RS |
349 | smtpmail-recipient-address-list tembuf)) |
350 | (error "Sending failed; SMTP protocol error")) | |
351 | (error "Sending failed; no recipients")) | |
bf6e31bc SJ |
352 | (let* ((file-data |
353 | (expand-file-name | |
354 | (format "%s_%i" | |
355 | (format-time-string "%Y-%m-%d_%H:%M:%S") | |
356 | (setq smtpmail-queue-counter | |
357 | (1+ smtpmail-queue-counter))) | |
358 | smtpmail-queue-dir)) | |
359 | (file-data (convert-standard-filename file-data)) | |
360 | (file-elisp (concat file-data ".el")) | |
308bc5d8 RS |
361 | (buffer-data (create-file-buffer file-data)) |
362 | (buffer-elisp (create-file-buffer file-elisp)) | |
363 | (buffer-scratch "*queue-mail*")) | |
2fbc1118 JB |
364 | (unless (file-exists-p smtpmail-queue-dir) |
365 | (make-directory smtpmail-queue-dir t)) | |
21bf0d6c | 366 | (with-current-buffer buffer-data |
308bc5d8 RS |
367 | (erase-buffer) |
368 | (insert-buffer tembuf) | |
369 | (write-file file-data) | |
370 | (set-buffer buffer-elisp) | |
371 | (erase-buffer) | |
372 | (insert (concat | |
373 | "(setq smtpmail-recipient-address-list '" | |
374 | (prin1-to-string smtpmail-recipient-address-list) | |
a8ba4429 | 375 | ")\n")) |
308bc5d8 RS |
376 | (write-file file-elisp) |
377 | (set-buffer (generate-new-buffer buffer-scratch)) | |
378 | (insert (concat file-data "\n")) | |
a8ba4429 SS |
379 | (append-to-file (point-min) |
380 | (point-max) | |
308bc5d8 RS |
381 | smtpmail-queue-index) |
382 | ) | |
383 | (kill-buffer buffer-scratch) | |
384 | (kill-buffer buffer-data) | |
385 | (kill-buffer buffer-elisp)))) | |
24975917 RS |
386 | (kill-buffer tembuf) |
387 | (if (bufferp errbuf) | |
388 | (kill-buffer errbuf))))) | |
389 | ||
74f39ce9 | 390 | ;;;###autoload |
308bc5d8 RS |
391 | (defun smtpmail-send-queued-mail () |
392 | "Send mail that was queued as a result of setting `smtpmail-queue-mail'." | |
393 | (interactive) | |
7e3fa9f5 EZ |
394 | (with-temp-buffer |
395 | ;;; Get index, get first mail, send it, update index, get second | |
396 | ;;; mail, send it, etc... | |
397 | (let ((file-msg "")) | |
398 | (insert-file-contents smtpmail-queue-index) | |
308bc5d8 RS |
399 | (beginning-of-buffer) |
400 | (while (not (eobp)) | |
21bf0d6c | 401 | (setq file-msg (buffer-substring (point) (line-end-position))) |
308bc5d8 | 402 | (load file-msg) |
19a0baf7 EZ |
403 | ;; Insert the message literally: it is already encoded as per |
404 | ;; the MIME headers, and code conversions might guess the | |
405 | ;; encoding wrongly. | |
7e3fa9f5 EZ |
406 | (with-temp-buffer |
407 | (let ((coding-system-for-read 'no-conversion)) | |
408 | (insert-file-contents file-msg)) | |
6b61353c KH |
409 | (let ((smtpmail-mail-address |
410 | (or (and mail-specify-envelope-from (mail-envelope-from)) | |
411 | user-mail-address))) | |
412 | (if (not (null smtpmail-recipient-address-list)) | |
413 | (if (not (smtpmail-via-smtp smtpmail-recipient-address-list | |
414 | (current-buffer))) | |
415 | (error "Sending failed; SMTP protocol error")) | |
416 | (error "Sending failed; no recipients")))) | |
308bc5d8 RS |
417 | (delete-file file-msg) |
418 | (delete-file (concat file-msg ".el")) | |
95754b9f | 419 | (delete-region (point-at-bol) (point-at-bol 2))) |
7e3fa9f5 | 420 | (write-region (point-min) (point-max) smtpmail-queue-index)))) |
24975917 RS |
421 | |
422 | ;(defun smtpmail-via-smtp (host,port,sender,destination,smtpmail-text-buffer) | |
423 | ||
424 | (defun smtpmail-fqdn () | |
425 | (if smtpmail-local-domain | |
426 | (concat (system-name) "." smtpmail-local-domain) | |
427 | (system-name))) | |
428 | ||
9056f1c9 RS |
429 | (defsubst smtpmail-cred-server (cred) |
430 | (nth 0 cred)) | |
431 | ||
432 | (defsubst smtpmail-cred-port (cred) | |
433 | (nth 1 cred)) | |
434 | ||
435 | (defsubst smtpmail-cred-key (cred) | |
436 | (nth 2 cred)) | |
437 | ||
438 | (defsubst smtpmail-cred-user (cred) | |
439 | (nth 2 cred)) | |
440 | ||
441 | (defsubst smtpmail-cred-cert (cred) | |
442 | (nth 3 cred)) | |
443 | ||
444 | (defsubst smtpmail-cred-passwd (cred) | |
445 | (nth 3 cred)) | |
446 | ||
447 | (defun smtpmail-find-credentials (cred server port) | |
448 | (catch 'done | |
449 | (let ((l cred) el) | |
450 | (while (setq el (pop l)) | |
451 | (when (and (equal server (smtpmail-cred-server el)) | |
452 | (equal port (smtpmail-cred-port el))) | |
453 | (throw 'done el)))))) | |
454 | ||
2b5c7e03 GM |
455 | (defun smtpmail-maybe-append-domain (recipient) |
456 | (if (or (not smtpmail-sendto-domain) | |
457 | (string-match "@" recipient)) | |
458 | recipient | |
459 | (concat recipient "@" smtpmail-sendto-domain))) | |
460 | ||
9056f1c9 RS |
461 | (defun smtpmail-intersection (list1 list2) |
462 | (let ((result nil)) | |
463 | (dolist (el2 list2) | |
464 | (when (memq el2 list1) | |
465 | (push el2 result))) | |
466 | (nreverse result))) | |
467 | ||
468 | (defun smtpmail-open-stream (process-buffer host port) | |
469 | (let ((cred (smtpmail-find-credentials | |
470 | smtpmail-starttls-credentials host port))) | |
471 | (if (null (and cred (condition-case () | |
11c10f3b SJ |
472 | (progn |
473 | (require 'starttls) | |
474 | (call-process starttls-program)) | |
9056f1c9 RS |
475 | (error nil)))) |
476 | ;; The normal case. | |
477 | (open-network-stream "SMTP" process-buffer host port) | |
478 | (let* ((cred-key (smtpmail-cred-key cred)) | |
479 | (cred-cert (smtpmail-cred-cert cred)) | |
480 | (starttls-extra-args | |
481 | (when (and (stringp cred-key) (stringp cred-cert) | |
482 | (file-regular-p | |
483 | (setq cred-key (expand-file-name cred-key))) | |
484 | (file-regular-p | |
485 | (setq cred-cert (expand-file-name cred-cert)))) | |
486 | (list "--key-file" cred-key "--cert-file" cred-cert)))) | |
487 | (starttls-open-stream "SMTP" process-buffer host port))))) | |
488 | ||
489 | (defun smtpmail-try-auth-methods (process supported-extensions host port) | |
490 | (let* ((mechs (cdr-safe (assoc 'auth supported-extensions))) | |
491 | (mech (car (smtpmail-intersection smtpmail-auth-supported mechs))) | |
60ed3fa5 RS |
492 | (cred (if (stringp smtpmail-auth-credentials) |
493 | (let* ((netrc (netrc-parse smtpmail-auth-credentials)) | |
6b61353c KH |
494 | (port-name (format "%s" (or port "smtp"))) |
495 | (hostentry (netrc-machine netrc host port-name | |
496 | port-name))) | |
a8ba4429 SS |
497 | (when hostentry |
498 | (list host port | |
499 | (netrc-get hostentry "login") | |
500 | (netrc-get hostentry "password")))) | |
60ed3fa5 RS |
501 | (smtpmail-find-credentials |
502 | smtpmail-auth-credentials host port))) | |
9056f1c9 RS |
503 | (passwd (when cred |
504 | (or (smtpmail-cred-passwd cred) | |
505 | (read-passwd | |
506 | (format "SMTP password for %s:%s: " | |
507 | (smtpmail-cred-server cred) | |
508 | (smtpmail-cred-port cred)))))) | |
509 | ret) | |
6b61353c | 510 | (when (and cred mech) |
9056f1c9 RS |
511 | (cond |
512 | ((eq mech 'cram-md5) | |
513 | (smtpmail-send-command process (format "AUTH %s" mech)) | |
514 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
515 | (not (integerp (car ret))) | |
516 | (>= (car ret) 400)) | |
517 | (throw 'done nil)) | |
518 | (when (eq (car ret) 334) | |
519 | (let* ((challenge (substring (cadr ret) 4)) | |
520 | (decoded (base64-decode-string challenge)) | |
521 | (hash (rfc2104-hash 'md5 64 16 passwd decoded)) | |
522 | (response (concat (smtpmail-cred-user cred) " " hash)) | |
523 | (encoded (base64-encode-string response))) | |
524 | (smtpmail-send-command process (format "%s" encoded)) | |
525 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
526 | (not (integerp (car ret))) | |
527 | (>= (car ret) 400)) | |
528 | (throw 'done nil))))) | |
529 | ((eq mech 'login) | |
530 | (smtpmail-send-command process "AUTH LOGIN") | |
531 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
532 | (not (integerp (car ret))) | |
533 | (>= (car ret) 400)) | |
534 | (throw 'done nil)) | |
535 | (smtpmail-send-command | |
536 | process (base64-encode-string (smtpmail-cred-user cred))) | |
537 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
538 | (not (integerp (car ret))) | |
539 | (>= (car ret) 400)) | |
540 | (throw 'done nil)) | |
541 | (smtpmail-send-command process (base64-encode-string passwd)) | |
542 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
543 | (not (integerp (car ret))) | |
544 | (>= (car ret) 400)) | |
545 | (throw 'done nil))) | |
546 | (t | |
a8ba4429 | 547 | (error "Mechanism %s not implemented" mech))) |
9056f1c9 | 548 | ;; Remember the password. |
60ed3fa5 RS |
549 | (when (and (not (stringp smtpmail-auth-credentials)) |
550 | (null (smtpmail-cred-passwd cred))) | |
9056f1c9 RS |
551 | (setcar (cdr (cdr (cdr cred))) passwd))))) |
552 | ||
24975917 RS |
553 | (defun smtpmail-via-smtp (recipient smtpmail-text-buffer) |
554 | (let ((process nil) | |
f38d3514 KH |
555 | (host (or smtpmail-smtp-server |
556 | (error "`smtpmail-smtp-server' not defined"))) | |
8805249b | 557 | (port smtpmail-smtp-service) |
6b61353c KH |
558 | ;; smtpmail-mail-address should be set to the appropriate |
559 | ;; buffer-local value by the caller, but in case not: | |
560 | (envelope-from (or smtpmail-mail-address | |
561 | (and mail-specify-envelope-from | |
562 | (mail-envelope-from)) | |
563 | user-mail-address)) | |
24975917 | 564 | response-code |
8805249b | 565 | greeting |
c50d5ce0 RS |
566 | process-buffer |
567 | (supported-extensions '())) | |
24975917 RS |
568 | (unwind-protect |
569 | (catch 'done | |
570 | ;; get or create the trace buffer | |
571 | (setq process-buffer | |
572 | (get-buffer-create (format "*trace of SMTP session to %s*" host))) | |
573 | ||
574 | ;; clear the trace buffer of old output | |
21bf0d6c | 575 | (with-current-buffer process-buffer |
24975917 RS |
576 | (erase-buffer)) |
577 | ||
578 | ;; open the connection to the server | |
9056f1c9 | 579 | (setq process (smtpmail-open-stream process-buffer host port)) |
24975917 RS |
580 | (and (null process) (throw 'done nil)) |
581 | ||
582 | ;; set the send-filter | |
583 | (set-process-filter process 'smtpmail-process-filter) | |
584 | ||
21bf0d6c | 585 | (with-current-buffer process-buffer |
4b876894 | 586 | (set-buffer-process-coding-system 'raw-text-unix 'raw-text-unix) |
24975917 RS |
587 | (make-local-variable 'smtpmail-read-point) |
588 | (setq smtpmail-read-point (point-min)) | |
589 | ||
a8ba4429 | 590 | |
24975917 RS |
591 | (if (or (null (car (setq greeting (smtpmail-read-response process)))) |
592 | (not (integerp (car greeting))) | |
593 | (>= (car greeting) 400)) | |
594 | (throw 'done nil) | |
595 | ) | |
596 | ||
9056f1c9 RS |
597 | (let ((do-ehlo t) |
598 | (do-starttls t)) | |
599 | (while do-ehlo | |
c50d5ce0 RS |
600 | ;; EHLO |
601 | (smtpmail-send-command process (format "EHLO %s" (smtpmail-fqdn))) | |
24975917 | 602 | |
9056f1c9 RS |
603 | (if (or (null (car (setq response-code |
604 | (smtpmail-read-response process)))) | |
24975917 RS |
605 | (not (integerp (car response-code))) |
606 | (>= (car response-code) 400)) | |
c50d5ce0 RS |
607 | (progn |
608 | ;; HELO | |
9056f1c9 RS |
609 | (smtpmail-send-command |
610 | process (format "HELO %s" (smtpmail-fqdn))) | |
c50d5ce0 | 611 | |
9056f1c9 RS |
612 | (if (or (null (car (setq response-code |
613 | (smtpmail-read-response process)))) | |
c50d5ce0 RS |
614 | (not (integerp (car response-code))) |
615 | (>= (car response-code) 400)) | |
616 | (throw 'done nil))) | |
9056f1c9 RS |
617 | (dolist (line (cdr (cdr response-code))) |
618 | (let ((name (mapcar (lambda (s) (intern (downcase s))) | |
619 | (split-string (substring line 4) "[ ]")))) | |
620 | (and (eq (length name) 1) | |
621 | (setq name (car name))) | |
c50d5ce0 | 622 | (and name |
9056f1c9 RS |
623 | (cond ((memq (if (consp name) (car name) name) |
624 | '(verb xvrb 8bitmime onex xone | |
c50d5ce0 | 625 | expn size dsn etrn |
9056f1c9 RS |
626 | enhancedstatuscodes |
627 | help xusr | |
628 | auth=login auth starttls)) | |
c50d5ce0 RS |
629 | (setq supported-extensions |
630 | (cons name supported-extensions))) | |
1b62b062 | 631 | (smtpmail-warn-about-unknown-extensions |
9056f1c9 RS |
632 | (message "Unknown extension %s" name))))))) |
633 | ||
634 | (if (and do-starttls | |
635 | (smtpmail-find-credentials smtpmail-starttls-credentials host port) | |
636 | (member 'starttls supported-extensions) | |
f029e7b0 | 637 | (numberp (process-id process))) |
9056f1c9 RS |
638 | (progn |
639 | (smtpmail-send-command process (format "STARTTLS")) | |
640 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
641 | (not (integerp (car response-code))) | |
642 | (>= (car response-code) 400)) | |
643 | (throw 'done nil)) | |
644 | (starttls-negotiate process) | |
645 | (setq do-starttls nil)) | |
646 | (setq do-ehlo nil)))) | |
a8ba4429 | 647 | |
9056f1c9 | 648 | (smtpmail-try-auth-methods process supported-extensions host port) |
c50d5ce0 RS |
649 | |
650 | (if (or (member 'onex supported-extensions) | |
651 | (member 'xone supported-extensions)) | |
652 | (progn | |
653 | (smtpmail-send-command process (format "ONEX")) | |
654 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
655 | (not (integerp (car response-code))) | |
656 | (>= (car response-code) 400)) | |
657 | (throw 'done nil)))) | |
658 | ||
9056f1c9 | 659 | (if (and smtpmail-debug-verb |
c50d5ce0 RS |
660 | (or (member 'verb supported-extensions) |
661 | (member 'xvrb supported-extensions))) | |
662 | (progn | |
663 | (smtpmail-send-command process (format "VERB")) | |
664 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
665 | (not (integerp (car response-code))) | |
666 | (>= (car response-code) 400)) | |
667 | (throw 'done nil)))) | |
668 | ||
669 | (if (member 'xusr supported-extensions) | |
670 | (progn | |
671 | (smtpmail-send-command process (format "XUSR")) | |
672 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
673 | (not (integerp (car response-code))) | |
674 | (>= (car response-code) 400)) | |
675 | (throw 'done nil)))) | |
24975917 | 676 | |
6b61353c | 677 | ;; MAIL FROM:<sender> |
c50d5ce0 | 678 | (let ((size-part |
9056f1c9 RS |
679 | (if (or (member 'size supported-extensions) |
680 | (assoc 'size supported-extensions)) | |
c50d5ce0 | 681 | (format " SIZE=%d" |
21bf0d6c | 682 | (with-current-buffer smtpmail-text-buffer |
c50d5ce0 RS |
683 | ;; size estimate: |
684 | (+ (- (point-max) (point-min)) | |
685 | ;; Add one byte for each change-of-line | |
6b61353c KH |
686 | ;; because of CR-LF representation: |
687 | (count-lines (point-min) (point-max))))) | |
c50d5ce0 RS |
688 | "")) |
689 | (body-part | |
690 | (if (member '8bitmime supported-extensions) | |
691 | ;; FIXME: | |
692 | ;; Code should be added here that transforms | |
693 | ;; the contents of the message buffer into | |
694 | ;; something the receiving SMTP can handle. | |
695 | ;; For a receiver that supports 8BITMIME, this | |
696 | ;; may mean converting BINARY to BASE64, or | |
697 | ;; adding Content-Transfer-Encoding and the | |
698 | ;; other MIME headers. The code should also | |
699 | ;; return an indication of what encoding the | |
700 | ;; message buffer is now, i.e. ASCII or | |
701 | ;; 8BITMIME. | |
702 | (if nil | |
703 | " BODY=8BITMIME" | |
704 | "") | |
705 | ""))) | |
706 | ; (smtpmail-send-command process (format "MAIL FROM:%s@%s" (user-login-name) (smtpmail-fqdn))) | |
6b61353c KH |
707 | (smtpmail-send-command process (format "MAIL FROM:<%s>%s%s" |
708 | envelope-from | |
c50d5ce0 RS |
709 | size-part |
710 | body-part)) | |
a1506d29 | 711 | |
c50d5ce0 RS |
712 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) |
713 | (not (integerp (car response-code))) | |
714 | (>= (car response-code) 400)) | |
715 | (throw 'done nil) | |
716 | )) | |
a8ba4429 | 717 | |
6b61353c | 718 | ;; RCPT TO:<recipient> |
8805249b RS |
719 | (let ((n 0)) |
720 | (while (not (null (nth n recipient))) | |
6b61353c | 721 | (smtpmail-send-command process (format "RCPT TO:<%s>" (smtpmail-maybe-append-domain (nth n recipient)))) |
8805249b RS |
722 | (setq n (1+ n)) |
723 | ||
c50d5ce0 RS |
724 | (setq response-code (smtpmail-read-response process)) |
725 | (if (or (null (car response-code)) | |
8805249b RS |
726 | (not (integerp (car response-code))) |
727 | (>= (car response-code) 400)) | |
728 | (throw 'done nil) | |
729 | ) | |
730 | )) | |
a8ba4429 | 731 | |
24975917 RS |
732 | ;; DATA |
733 | (smtpmail-send-command process "DATA") | |
734 | ||
735 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
736 | (not (integerp (car response-code))) | |
737 | (>= (car response-code) 400)) | |
738 | (throw 'done nil) | |
739 | ) | |
740 | ||
741 | ;; Mail contents | |
742 | (smtpmail-send-data process smtpmail-text-buffer) | |
743 | ||
744 | ;;DATA end "." | |
745 | (smtpmail-send-command process ".") | |
746 | ||
747 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
748 | (not (integerp (car response-code))) | |
749 | (>= (car response-code) 400)) | |
750 | (throw 'done nil) | |
751 | ) | |
752 | ||
753 | ;;QUIT | |
754 | ; (smtpmail-send-command process "QUIT") | |
755 | ; (and (null (car (smtpmail-read-response process))) | |
756 | ; (throw 'done nil)) | |
757 | t )) | |
758 | (if process | |
21bf0d6c | 759 | (with-current-buffer (process-buffer process) |
24975917 RS |
760 | (smtpmail-send-command process "QUIT") |
761 | (smtpmail-read-response process) | |
762 | ||
763 | ; (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
764 | ; (not (integerp (car response-code))) | |
765 | ; (>= (car response-code) 400)) | |
766 | ; (throw 'done nil) | |
767 | ; ) | |
1121afb4 SJ |
768 | (delete-process process) |
769 | (unless smtpmail-debug-info | |
770 | (kill-buffer process-buffer))))))) | |
24975917 RS |
771 | |
772 | ||
24975917 | 773 | (defun smtpmail-process-filter (process output) |
21bf0d6c | 774 | (with-current-buffer (process-buffer process) |
24975917 RS |
775 | (goto-char (point-max)) |
776 | (insert output))) | |
777 | ||
24975917 RS |
778 | (defun smtpmail-read-response (process) |
779 | (let ((case-fold-search nil) | |
c50d5ce0 | 780 | (response-strings nil) |
24975917 | 781 | (response-continue t) |
c50d5ce0 | 782 | (return-value '(nil ())) |
24975917 | 783 | match-end) |
6b61353c KH |
784 | (catch 'done |
785 | (while response-continue | |
786 | (goto-char smtpmail-read-point) | |
787 | (while (not (search-forward "\r\n" nil t)) | |
788 | (unless (memq (process-status process) '(open run)) | |
789 | (throw 'done nil)) | |
790 | (accept-process-output process) | |
791 | (goto-char smtpmail-read-point)) | |
792 | ||
793 | (setq match-end (point)) | |
794 | (setq response-strings | |
795 | (cons (buffer-substring smtpmail-read-point (- match-end 2)) | |
796 | response-strings)) | |
797 | ||
798 | (goto-char smtpmail-read-point) | |
799 | (if (looking-at "[0-9]+ ") | |
800 | (let ((begin (match-beginning 0)) | |
801 | (end (match-end 0))) | |
802 | (if smtpmail-debug-info | |
803 | (message "%s" (car response-strings))) | |
804 | ||
805 | (setq smtpmail-read-point match-end) | |
806 | ||
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 | |
812 | (cons (string-to-int | |
813 | (buffer-substring begin end)) | |
814 | (nreverse response-strings))))) | |
815 | ||
816 | (if (looking-at "[0-9]+-") | |
817 | (progn (if smtpmail-debug-info | |
818 | (message "%s" (car response-strings))) | |
819 | (setq smtpmail-read-point match-end) | |
820 | (setq response-continue t)) | |
821 | (progn | |
822 | (setq smtpmail-read-point match-end) | |
c50d5ce0 RS |
823 | (setq response-continue nil) |
824 | (setq return-value | |
6b61353c KH |
825 | (cons nil (nreverse response-strings))))))) |
826 | (setq smtpmail-read-point match-end)) | |
24975917 RS |
827 | return-value)) |
828 | ||
829 | ||
24975917 RS |
830 | (defun smtpmail-send-command (process command) |
831 | (goto-char (point-max)) | |
832 | (if (= (aref command 0) ?P) | |
833 | (insert "PASS <omitted>\r\n") | |
834 | (insert command "\r\n")) | |
835 | (setq smtpmail-read-point (point)) | |
836 | (process-send-string process command) | |
837 | (process-send-string process "\r\n")) | |
838 | ||
24975917 RS |
839 | (defun smtpmail-send-data-1 (process data) |
840 | (goto-char (point-max)) | |
841 | ||
83af570e KH |
842 | (if (and (multibyte-string-p data) |
843 | smtpmail-code-conv-from) | |
844 | (setq data (string-as-multibyte | |
845 | (encode-coding-string data smtpmail-code-conv-from)))) | |
a8ba4429 | 846 | |
24975917 RS |
847 | (if smtpmail-debug-info |
848 | (insert data "\r\n")) | |
849 | ||
850 | (setq smtpmail-read-point (point)) | |
57810560 KH |
851 | ;; Escape "." at start of a line |
852 | (if (eq (string-to-char data) ?.) | |
24975917 | 853 | (process-send-string process ".")) |
57810560 | 854 | (process-send-string process data) |
24975917 RS |
855 | (process-send-string process "\r\n") |
856 | ) | |
857 | ||
858 | (defun smtpmail-send-data (process buffer) | |
6b61353c | 859 | (let ((data-continue t) sending-data) |
21bf0d6c | 860 | (with-current-buffer buffer |
24975917 | 861 | (goto-char (point-min))) |
24975917 | 862 | (while data-continue |
21bf0d6c | 863 | (with-current-buffer buffer |
6b61353c KH |
864 | (setq sending-data (buffer-substring (point-at-bol) (point-at-eol))) |
865 | (end-of-line 2) | |
866 | (setq data-continue (not (eobp)))) | |
867 | (smtpmail-send-data-1 process sending-data)))) | |
24975917 RS |
868 | |
869 | (defun smtpmail-deduce-address-list (smtpmail-text-buffer header-start header-end) | |
870 | "Get address list suitable for smtp RCPT TO: <address>." | |
1188dd37 | 871 | (unwind-protect |
21bf0d6c SM |
872 | (with-current-buffer smtpmail-address-buffer |
873 | (erase-buffer) | |
1188dd37 AI |
874 | (let |
875 | ((case-fold-search t) | |
876 | (simple-address-list "") | |
877 | this-line | |
878 | this-line-end | |
879 | addr-regexp) | |
24975917 RS |
880 | (insert-buffer-substring smtpmail-text-buffer header-start header-end) |
881 | (goto-char (point-min)) | |
13f1d088 KH |
882 | ;; RESENT-* fields should stop processing of regular fields. |
883 | (save-excursion | |
21bf0d6c SM |
884 | (setq addr-regexp |
885 | (if (re-search-forward "^Resent-\\(to\\|cc\\|bcc\\):" | |
886 | header-end t) | |
887 | "^Resent-\\(to\\|cc\\|bcc\\):" | |
888 | "^\\(To:\\|Cc:\\|Bcc:\\)"))) | |
13f1d088 KH |
889 | |
890 | (while (re-search-forward addr-regexp header-end t) | |
24975917 RS |
891 | (replace-match "") |
892 | (setq this-line (match-beginning 0)) | |
893 | (forward-line 1) | |
894 | ;; get any continuation lines | |
895 | (while (and (looking-at "^[ \t]+") (< (point) header-end)) | |
896 | (forward-line 1)) | |
897 | (setq this-line-end (point-marker)) | |
898 | (setq simple-address-list | |
899 | (concat simple-address-list " " | |
900 | (mail-strip-quoted-names (buffer-substring this-line this-line-end)))) | |
901 | ) | |
902 | (erase-buffer) | |
92dfd10c | 903 | (insert " " simple-address-list "\n") |
24975917 RS |
904 | (subst-char-in-region (point-min) (point-max) 10 ? t);; newline --> blank |
905 | (subst-char-in-region (point-min) (point-max) ?, ? t);; comma --> blank | |
906 | (subst-char-in-region (point-min) (point-max) 9 ? t);; tab --> blank | |
907 | ||
908 | (goto-char (point-min)) | |
909 | ;; tidyness in case hook is not robust when it looks at this | |
910 | (while (re-search-forward "[ \t]+" header-end t) (replace-match " ")) | |
911 | ||
912 | (goto-char (point-min)) | |
8805249b | 913 | (let (recipient-address-list) |
e2f7c221 | 914 | (while (re-search-forward " \\([^ ]+\\) " (point-max) t) |
8805249b | 915 | (backward-char 1) |
e2f7c221 RS |
916 | (setq recipient-address-list (cons (buffer-substring (match-beginning 1) (match-end 1)) |
917 | recipient-address-list)) | |
8805249b RS |
918 | ) |
919 | (setq smtpmail-recipient-address-list recipient-address-list)) | |
24975917 RS |
920 | |
921 | ) | |
1188dd37 | 922 | ) |
24975917 RS |
923 | ) |
924 | ) | |
925 | ||
926 | ||
927 | (defun smtpmail-do-bcc (header-end) | |
5feeeae2 | 928 | "Delete [Resent-]BCC: and their continuation lines from the header area. |
24975917 RS |
929 | There may be multiple BCC: lines, and each may have arbitrarily |
930 | many continuation lines." | |
931 | (let ((case-fold-search t)) | |
067427f5 KH |
932 | (save-excursion |
933 | (goto-char (point-min)) | |
934 | ;; iterate over all BCC: lines | |
935 | (while (re-search-forward "^\\(RESENT-\\)?BCC:" header-end t) | |
936 | (delete-region (match-beginning 0) | |
937 | (progn (forward-line 1) (point))) | |
938 | ;; get rid of any continuation lines | |
939 | (while (and (looking-at "^[ \t].*\n") (< (point) header-end)) | |
940 | (replace-match "")))))) | |
24975917 RS |
941 | |
942 | ||
943 | (provide 'smtpmail) | |
944 | ||
6b61353c | 945 | ;;; arch-tag: a76992df-6d71-43b7-9e72-4bacc6c05466 |
092af6d8 | 946 | ;;; smtpmail.el ends here |