Commit | Line | Data |
---|---|---|
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 |
463f5630 | 215 | "Value of `user-mail-address' in 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)) |
463f5630 | 226 | (smtpmail-mail-address user-mail-address) |
83af570e KH |
227 | (smtpmail-code-conv-from |
228 | (if enable-multibyte-characters | |
229 | (let ((sendmail-coding-system smtpmail-code-conv-from)) | |
230 | (select-message-coding-system))))) | |
24975917 RS |
231 | (unwind-protect |
232 | (save-excursion | |
233 | (set-buffer tembuf) | |
234 | (erase-buffer) | |
235 | (insert-buffer-substring mailbuf) | |
236 | (goto-char (point-max)) | |
237 | ;; require one newline at the end. | |
238 | (or (= (preceding-char) ?\n) | |
239 | (insert ?\n)) | |
240 | ;; Change header-delimiter to be what sendmail expects. | |
92a3f23d | 241 | (mail-sendmail-undelimit-header) |
24975917 | 242 | (setq delimline (point-marker)) |
e2f7c221 | 243 | ;; (sendmail-synch-aliases) |
24975917 RS |
244 | (if mail-aliases |
245 | (expand-mail-aliases (point-min) delimline)) | |
246 | (goto-char (point-min)) | |
247 | ;; ignore any blank lines in the header | |
248 | (while (and (re-search-forward "\n\n\n*" delimline t) | |
249 | (< (point) delimline)) | |
250 | (replace-match "\n")) | |
251 | (let ((case-fold-search t)) | |
5feeeae2 RS |
252 | ;; We used to process Resent-... headers here, |
253 | ;; but it was not done properly, and the job | |
254 | ;; is done correctly in smtpmail-deduce-address-list. | |
24975917 RS |
255 | ;; Don't send out a blank subject line |
256 | (goto-char (point-min)) | |
5feeeae2 RS |
257 | (if (re-search-forward "^Subject:\\([ \t]*\n\\)+\\b" delimline t) |
258 | (replace-match "") | |
259 | ;; This one matches a Subject just before the header delimiter. | |
260 | (if (and (re-search-forward "^Subject:\\([ \t]*\n\\)+" delimline t) | |
261 | (= (match-end 0) delimline)) | |
262 | (replace-match ""))) | |
0e2701ca RS |
263 | ;; Put the "From:" field in unless for some odd reason |
264 | ;; they put one in themselves. | |
265 | (goto-char (point-min)) | |
266 | (if (not (re-search-forward "^From:" delimline t)) | |
850ed7b3 | 267 | (let* ((login smtpmail-mail-address) |
0e2701ca RS |
268 | (fullname (user-full-name))) |
269 | (cond ((eq mail-from-style 'angles) | |
270 | (insert "From: " fullname) | |
271 | (let ((fullname-start (+ (point-min) 6)) | |
272 | (fullname-end (point-marker))) | |
273 | (goto-char fullname-start) | |
274 | ;; Look for a character that cannot appear unquoted | |
275 | ;; according to RFC 822. | |
276 | (if (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" | |
277 | fullname-end 1) | |
278 | (progn | |
279 | ;; Quote fullname, escaping specials. | |
280 | (goto-char fullname-start) | |
281 | (insert "\"") | |
282 | (while (re-search-forward "[\"\\]" | |
283 | fullname-end 1) | |
284 | (replace-match "\\\\\\&" t)) | |
285 | (insert "\"")))) | |
286 | (insert " <" login ">\n")) | |
287 | ((eq mail-from-style 'parens) | |
288 | (insert "From: " login " (") | |
289 | (let ((fullname-start (point))) | |
290 | (insert fullname) | |
291 | (let ((fullname-end (point-marker))) | |
292 | (goto-char fullname-start) | |
293 | ;; RFC 822 says \ and nonmatching parentheses | |
294 | ;; must be escaped in comments. | |
295 | ;; Escape every instance of ()\ ... | |
296 | (while (re-search-forward "[()\\]" fullname-end 1) | |
297 | (replace-match "\\\\\\&" t)) | |
298 | ;; ... then undo escaping of matching parentheses, | |
299 | ;; including matching nested parentheses. | |
300 | (goto-char fullname-start) | |
a8ba4429 | 301 | (while (re-search-forward |
0e2701ca RS |
302 | "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)" |
303 | fullname-end 1) | |
304 | (replace-match "\\1(\\3)" t) | |
305 | (goto-char fullname-start)))) | |
306 | (insert ")\n")) | |
307 | ((null mail-from-style) | |
308 | (insert "From: " login "\n"))))) | |
21bf0d6c SM |
309 | ;; Insert a `Message-Id:' field if there isn't one yet. |
310 | (goto-char (point-min)) | |
311 | (unless (re-search-forward "^Message-Id:" delimline t) | |
312 | (insert "Message-Id: " (message-make-message-id) "\n")) | |
313 | ;; Insert a `Date:' field if there isn't one yet. | |
314 | (goto-char (point-min)) | |
315 | (unless (re-search-forward "^Date:" delimline t) | |
316 | (insert "Date: " (message-make-date) "\n")) | |
24975917 RS |
317 | ;; Insert an extra newline if we need it to work around |
318 | ;; Sun's bug that swallows newlines. | |
319 | (goto-char (1+ delimline)) | |
320 | (if (eval mail-mailer-swallows-blank-line) | |
321 | (newline)) | |
0e2701ca RS |
322 | ;; Find and handle any FCC fields. |
323 | (goto-char (point-min)) | |
324 | (if (re-search-forward "^FCC:" delimline t) | |
325 | (mail-do-fcc delimline)) | |
24975917 | 326 | (if mail-interactive |
21bf0d6c | 327 | (with-current-buffer errbuf |
24975917 RS |
328 | (erase-buffer)))) |
329 | ;; | |
330 | ;; | |
331 | ;; | |
332 | (setq smtpmail-address-buffer (generate-new-buffer "*smtp-mail*")) | |
333 | (setq smtpmail-recipient-address-list | |
5feeeae2 | 334 | (smtpmail-deduce-address-list tembuf (point-min) delimline)) |
24975917 | 335 | (kill-buffer smtpmail-address-buffer) |
a8ba4429 | 336 | |
24975917 | 337 | (smtpmail-do-bcc delimline) |
308bc5d8 RS |
338 | ; Send or queue |
339 | (if (not smtpmail-queue-mail) | |
340 | (if (not (null smtpmail-recipient-address-list)) | |
a8ba4429 | 341 | (if (not (smtpmail-via-smtp |
308bc5d8 RS |
342 | smtpmail-recipient-address-list tembuf)) |
343 | (error "Sending failed; SMTP protocol error")) | |
344 | (error "Sending failed; no recipients")) | |
bf6e31bc SJ |
345 | (let* ((file-data |
346 | (expand-file-name | |
347 | (format "%s_%i" | |
348 | (format-time-string "%Y-%m-%d_%H:%M:%S") | |
349 | (setq smtpmail-queue-counter | |
350 | (1+ smtpmail-queue-counter))) | |
351 | smtpmail-queue-dir)) | |
352 | (file-data (convert-standard-filename file-data)) | |
353 | (file-elisp (concat file-data ".el")) | |
308bc5d8 RS |
354 | (buffer-data (create-file-buffer file-data)) |
355 | (buffer-elisp (create-file-buffer file-elisp)) | |
356 | (buffer-scratch "*queue-mail*")) | |
2fbc1118 JB |
357 | (unless (file-exists-p smtpmail-queue-dir) |
358 | (make-directory smtpmail-queue-dir t)) | |
21bf0d6c | 359 | (with-current-buffer buffer-data |
308bc5d8 RS |
360 | (erase-buffer) |
361 | (insert-buffer tembuf) | |
362 | (write-file file-data) | |
363 | (set-buffer buffer-elisp) | |
364 | (erase-buffer) | |
365 | (insert (concat | |
366 | "(setq smtpmail-recipient-address-list '" | |
367 | (prin1-to-string smtpmail-recipient-address-list) | |
a8ba4429 | 368 | ")\n")) |
308bc5d8 RS |
369 | (write-file file-elisp) |
370 | (set-buffer (generate-new-buffer buffer-scratch)) | |
371 | (insert (concat file-data "\n")) | |
a8ba4429 SS |
372 | (append-to-file (point-min) |
373 | (point-max) | |
308bc5d8 RS |
374 | smtpmail-queue-index) |
375 | ) | |
376 | (kill-buffer buffer-scratch) | |
377 | (kill-buffer buffer-data) | |
378 | (kill-buffer buffer-elisp)))) | |
24975917 RS |
379 | (kill-buffer tembuf) |
380 | (if (bufferp errbuf) | |
381 | (kill-buffer errbuf))))) | |
382 | ||
74f39ce9 | 383 | ;;;###autoload |
308bc5d8 RS |
384 | (defun smtpmail-send-queued-mail () |
385 | "Send mail that was queued as a result of setting `smtpmail-queue-mail'." | |
386 | (interactive) | |
7e3fa9f5 EZ |
387 | (with-temp-buffer |
388 | ;;; Get index, get first mail, send it, update index, get second | |
389 | ;;; mail, send it, etc... | |
390 | (let ((file-msg "")) | |
391 | (insert-file-contents smtpmail-queue-index) | |
308bc5d8 RS |
392 | (beginning-of-buffer) |
393 | (while (not (eobp)) | |
21bf0d6c | 394 | (setq file-msg (buffer-substring (point) (line-end-position))) |
308bc5d8 | 395 | (load file-msg) |
19a0baf7 EZ |
396 | ;; Insert the message literally: it is already encoded as per |
397 | ;; the MIME headers, and code conversions might guess the | |
398 | ;; encoding wrongly. | |
7e3fa9f5 EZ |
399 | (with-temp-buffer |
400 | (let ((coding-system-for-read 'no-conversion)) | |
401 | (insert-file-contents file-msg)) | |
463f5630 KH |
402 | (if (not (null smtpmail-recipient-address-list)) |
403 | (if (not (smtpmail-via-smtp smtpmail-recipient-address-list | |
404 | (current-buffer))) | |
405 | (error "Sending failed; SMTP protocol error")) | |
406 | (error "Sending failed; no recipients"))) | |
308bc5d8 RS |
407 | (delete-file file-msg) |
408 | (delete-file (concat file-msg ".el")) | |
95754b9f | 409 | (delete-region (point-at-bol) (point-at-bol 2))) |
7e3fa9f5 | 410 | (write-region (point-min) (point-max) smtpmail-queue-index)))) |
24975917 RS |
411 | |
412 | ;(defun smtpmail-via-smtp (host,port,sender,destination,smtpmail-text-buffer) | |
413 | ||
414 | (defun smtpmail-fqdn () | |
415 | (if smtpmail-local-domain | |
416 | (concat (system-name) "." smtpmail-local-domain) | |
417 | (system-name))) | |
418 | ||
9056f1c9 RS |
419 | (defsubst smtpmail-cred-server (cred) |
420 | (nth 0 cred)) | |
421 | ||
422 | (defsubst smtpmail-cred-port (cred) | |
423 | (nth 1 cred)) | |
424 | ||
425 | (defsubst smtpmail-cred-key (cred) | |
426 | (nth 2 cred)) | |
427 | ||
428 | (defsubst smtpmail-cred-user (cred) | |
429 | (nth 2 cred)) | |
430 | ||
431 | (defsubst smtpmail-cred-cert (cred) | |
432 | (nth 3 cred)) | |
433 | ||
434 | (defsubst smtpmail-cred-passwd (cred) | |
435 | (nth 3 cred)) | |
436 | ||
437 | (defun smtpmail-find-credentials (cred server port) | |
438 | (catch 'done | |
439 | (let ((l cred) el) | |
440 | (while (setq el (pop l)) | |
441 | (when (and (equal server (smtpmail-cred-server el)) | |
442 | (equal port (smtpmail-cred-port el))) | |
443 | (throw 'done el)))))) | |
444 | ||
2b5c7e03 GM |
445 | (defun smtpmail-maybe-append-domain (recipient) |
446 | (if (or (not smtpmail-sendto-domain) | |
447 | (string-match "@" recipient)) | |
448 | recipient | |
449 | (concat recipient "@" smtpmail-sendto-domain))) | |
450 | ||
9056f1c9 RS |
451 | (defun smtpmail-intersection (list1 list2) |
452 | (let ((result nil)) | |
453 | (dolist (el2 list2) | |
454 | (when (memq el2 list1) | |
455 | (push el2 result))) | |
456 | (nreverse result))) | |
457 | ||
458 | (defun smtpmail-open-stream (process-buffer host port) | |
459 | (let ((cred (smtpmail-find-credentials | |
460 | smtpmail-starttls-credentials host port))) | |
461 | (if (null (and cred (condition-case () | |
11c10f3b SJ |
462 | (progn |
463 | (require 'starttls) | |
464 | (call-process starttls-program)) | |
9056f1c9 RS |
465 | (error nil)))) |
466 | ;; The normal case. | |
467 | (open-network-stream "SMTP" process-buffer host port) | |
468 | (let* ((cred-key (smtpmail-cred-key cred)) | |
469 | (cred-cert (smtpmail-cred-cert cred)) | |
470 | (starttls-extra-args | |
471 | (when (and (stringp cred-key) (stringp cred-cert) | |
472 | (file-regular-p | |
473 | (setq cred-key (expand-file-name cred-key))) | |
474 | (file-regular-p | |
475 | (setq cred-cert (expand-file-name cred-cert)))) | |
476 | (list "--key-file" cred-key "--cert-file" cred-cert)))) | |
477 | (starttls-open-stream "SMTP" process-buffer host port))))) | |
478 | ||
479 | (defun smtpmail-try-auth-methods (process supported-extensions host port) | |
480 | (let* ((mechs (cdr-safe (assoc 'auth supported-extensions))) | |
481 | (mech (car (smtpmail-intersection smtpmail-auth-supported mechs))) | |
60ed3fa5 RS |
482 | (cred (if (stringp smtpmail-auth-credentials) |
483 | (let* ((netrc (netrc-parse smtpmail-auth-credentials)) | |
a8ba4429 | 484 | (hostentry (netrc-machine |
60ed3fa5 RS |
485 | netrc host (format "%s" (or port "smtp")) |
486 | "smtp"))) | |
a8ba4429 SS |
487 | (when hostentry |
488 | (list host port | |
489 | (netrc-get hostentry "login") | |
490 | (netrc-get hostentry "password")))) | |
60ed3fa5 RS |
491 | (smtpmail-find-credentials |
492 | smtpmail-auth-credentials host port))) | |
9056f1c9 RS |
493 | (passwd (when cred |
494 | (or (smtpmail-cred-passwd cred) | |
495 | (read-passwd | |
496 | (format "SMTP password for %s:%s: " | |
497 | (smtpmail-cred-server cred) | |
498 | (smtpmail-cred-port cred)))))) | |
499 | ret) | |
500 | (when cred | |
501 | (cond | |
502 | ((eq mech 'cram-md5) | |
503 | (smtpmail-send-command process (format "AUTH %s" mech)) | |
504 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
505 | (not (integerp (car ret))) | |
506 | (>= (car ret) 400)) | |
507 | (throw 'done nil)) | |
508 | (when (eq (car ret) 334) | |
509 | (let* ((challenge (substring (cadr ret) 4)) | |
510 | (decoded (base64-decode-string challenge)) | |
511 | (hash (rfc2104-hash 'md5 64 16 passwd decoded)) | |
512 | (response (concat (smtpmail-cred-user cred) " " hash)) | |
513 | (encoded (base64-encode-string response))) | |
514 | (smtpmail-send-command process (format "%s" encoded)) | |
515 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
516 | (not (integerp (car ret))) | |
517 | (>= (car ret) 400)) | |
518 | (throw 'done nil))))) | |
519 | ((eq mech 'login) | |
520 | (smtpmail-send-command process "AUTH LOGIN") | |
521 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
522 | (not (integerp (car ret))) | |
523 | (>= (car ret) 400)) | |
524 | (throw 'done nil)) | |
525 | (smtpmail-send-command | |
526 | process (base64-encode-string (smtpmail-cred-user cred))) | |
527 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
528 | (not (integerp (car ret))) | |
529 | (>= (car ret) 400)) | |
530 | (throw 'done nil)) | |
531 | (smtpmail-send-command process (base64-encode-string passwd)) | |
532 | (if (or (null (car (setq ret (smtpmail-read-response process)))) | |
533 | (not (integerp (car ret))) | |
534 | (>= (car ret) 400)) | |
535 | (throw 'done nil))) | |
536 | (t | |
a8ba4429 | 537 | (error "Mechanism %s not implemented" mech))) |
9056f1c9 | 538 | ;; Remember the password. |
60ed3fa5 RS |
539 | (when (and (not (stringp smtpmail-auth-credentials)) |
540 | (null (smtpmail-cred-passwd cred))) | |
9056f1c9 RS |
541 | (setcar (cdr (cdr (cdr cred))) passwd))))) |
542 | ||
24975917 RS |
543 | (defun smtpmail-via-smtp (recipient smtpmail-text-buffer) |
544 | (let ((process nil) | |
f38d3514 KH |
545 | (host (or smtpmail-smtp-server |
546 | (error "`smtpmail-smtp-server' not defined"))) | |
8805249b | 547 | (port smtpmail-smtp-service) |
463f5630 KH |
548 | (envelope-from (or (mail-envelope-from) |
549 | smtpmail-mail-address | |
550 | user-mail-address)) | |
24975917 | 551 | response-code |
8805249b | 552 | greeting |
c50d5ce0 RS |
553 | process-buffer |
554 | (supported-extensions '())) | |
24975917 RS |
555 | (unwind-protect |
556 | (catch 'done | |
557 | ;; get or create the trace buffer | |
558 | (setq process-buffer | |
559 | (get-buffer-create (format "*trace of SMTP session to %s*" host))) | |
560 | ||
561 | ;; clear the trace buffer of old output | |
21bf0d6c | 562 | (with-current-buffer process-buffer |
24975917 RS |
563 | (erase-buffer)) |
564 | ||
565 | ;; open the connection to the server | |
9056f1c9 | 566 | (setq process (smtpmail-open-stream process-buffer host port)) |
24975917 RS |
567 | (and (null process) (throw 'done nil)) |
568 | ||
569 | ;; set the send-filter | |
570 | (set-process-filter process 'smtpmail-process-filter) | |
571 | ||
21bf0d6c | 572 | (with-current-buffer process-buffer |
4b876894 | 573 | (set-buffer-process-coding-system 'raw-text-unix 'raw-text-unix) |
24975917 RS |
574 | (make-local-variable 'smtpmail-read-point) |
575 | (setq smtpmail-read-point (point-min)) | |
576 | ||
a8ba4429 | 577 | |
24975917 RS |
578 | (if (or (null (car (setq greeting (smtpmail-read-response process)))) |
579 | (not (integerp (car greeting))) | |
580 | (>= (car greeting) 400)) | |
581 | (throw 'done nil) | |
582 | ) | |
583 | ||
9056f1c9 RS |
584 | (let ((do-ehlo t) |
585 | (do-starttls t)) | |
586 | (while do-ehlo | |
c50d5ce0 RS |
587 | ;; EHLO |
588 | (smtpmail-send-command process (format "EHLO %s" (smtpmail-fqdn))) | |
24975917 | 589 | |
9056f1c9 RS |
590 | (if (or (null (car (setq response-code |
591 | (smtpmail-read-response process)))) | |
24975917 RS |
592 | (not (integerp (car response-code))) |
593 | (>= (car response-code) 400)) | |
c50d5ce0 RS |
594 | (progn |
595 | ;; HELO | |
9056f1c9 RS |
596 | (smtpmail-send-command |
597 | process (format "HELO %s" (smtpmail-fqdn))) | |
c50d5ce0 | 598 | |
9056f1c9 RS |
599 | (if (or (null (car (setq response-code |
600 | (smtpmail-read-response process)))) | |
c50d5ce0 RS |
601 | (not (integerp (car response-code))) |
602 | (>= (car response-code) 400)) | |
603 | (throw 'done nil))) | |
9056f1c9 RS |
604 | (dolist (line (cdr (cdr response-code))) |
605 | (let ((name (mapcar (lambda (s) (intern (downcase s))) | |
606 | (split-string (substring line 4) "[ ]")))) | |
607 | (and (eq (length name) 1) | |
608 | (setq name (car name))) | |
c50d5ce0 | 609 | (and name |
9056f1c9 RS |
610 | (cond ((memq (if (consp name) (car name) name) |
611 | '(verb xvrb 8bitmime onex xone | |
c50d5ce0 | 612 | expn size dsn etrn |
9056f1c9 RS |
613 | enhancedstatuscodes |
614 | help xusr | |
615 | auth=login auth starttls)) | |
c50d5ce0 RS |
616 | (setq supported-extensions |
617 | (cons name supported-extensions))) | |
1b62b062 | 618 | (smtpmail-warn-about-unknown-extensions |
9056f1c9 RS |
619 | (message "Unknown extension %s" name))))))) |
620 | ||
621 | (if (and do-starttls | |
622 | (smtpmail-find-credentials smtpmail-starttls-credentials host port) | |
623 | (member 'starttls supported-extensions) | |
f029e7b0 | 624 | (numberp (process-id process))) |
9056f1c9 RS |
625 | (progn |
626 | (smtpmail-send-command process (format "STARTTLS")) | |
627 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
628 | (not (integerp (car response-code))) | |
629 | (>= (car response-code) 400)) | |
630 | (throw 'done nil)) | |
631 | (starttls-negotiate process) | |
632 | (setq do-starttls nil)) | |
633 | (setq do-ehlo nil)))) | |
a8ba4429 | 634 | |
9056f1c9 | 635 | (smtpmail-try-auth-methods process supported-extensions host port) |
c50d5ce0 RS |
636 | |
637 | (if (or (member 'onex supported-extensions) | |
638 | (member 'xone supported-extensions)) | |
639 | (progn | |
640 | (smtpmail-send-command process (format "ONEX")) | |
641 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
642 | (not (integerp (car response-code))) | |
643 | (>= (car response-code) 400)) | |
644 | (throw 'done nil)))) | |
645 | ||
9056f1c9 | 646 | (if (and smtpmail-debug-verb |
c50d5ce0 RS |
647 | (or (member 'verb supported-extensions) |
648 | (member 'xvrb supported-extensions))) | |
649 | (progn | |
650 | (smtpmail-send-command process (format "VERB")) | |
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 | ||
656 | (if (member 'xusr supported-extensions) | |
657 | (progn | |
658 | (smtpmail-send-command process (format "XUSR")) | |
659 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
660 | (not (integerp (car response-code))) | |
661 | (>= (car response-code) 400)) | |
662 | (throw 'done nil)))) | |
24975917 RS |
663 | |
664 | ;; MAIL FROM: <sender> | |
c50d5ce0 | 665 | (let ((size-part |
9056f1c9 RS |
666 | (if (or (member 'size supported-extensions) |
667 | (assoc 'size supported-extensions)) | |
c50d5ce0 | 668 | (format " SIZE=%d" |
21bf0d6c | 669 | (with-current-buffer smtpmail-text-buffer |
c50d5ce0 RS |
670 | ;; size estimate: |
671 | (+ (- (point-max) (point-min)) | |
672 | ;; Add one byte for each change-of-line | |
673 | ;; because or CR-LF representation: | |
674 | (count-lines (point-min) (point-max)) | |
675 | ;; For some reason, an empty line is | |
676 | ;; added to the message. Maybe this | |
677 | ;; is a bug, but it can't hurt to add | |
678 | ;; those two bytes anyway: | |
679 | 2))) | |
680 | "")) | |
681 | (body-part | |
682 | (if (member '8bitmime supported-extensions) | |
683 | ;; FIXME: | |
684 | ;; Code should be added here that transforms | |
685 | ;; the contents of the message buffer into | |
686 | ;; something the receiving SMTP can handle. | |
687 | ;; For a receiver that supports 8BITMIME, this | |
688 | ;; may mean converting BINARY to BASE64, or | |
689 | ;; adding Content-Transfer-Encoding and the | |
690 | ;; other MIME headers. The code should also | |
691 | ;; return an indication of what encoding the | |
692 | ;; message buffer is now, i.e. ASCII or | |
693 | ;; 8BITMIME. | |
694 | (if nil | |
695 | " BODY=8BITMIME" | |
696 | "") | |
697 | ""))) | |
698 | ; (smtpmail-send-command process (format "MAIL FROM:%s@%s" (user-login-name) (smtpmail-fqdn))) | |
699 | (smtpmail-send-command process (format "MAIL FROM: <%s>%s%s" | |
463f5630 | 700 | envelope-from |
c50d5ce0 RS |
701 | size-part |
702 | body-part)) | |
a1506d29 | 703 | |
c50d5ce0 RS |
704 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) |
705 | (not (integerp (car response-code))) | |
706 | (>= (car response-code) 400)) | |
707 | (throw 'done nil) | |
708 | )) | |
a8ba4429 | 709 | |
24975917 | 710 | ;; RCPT TO: <recipient> |
8805249b RS |
711 | (let ((n 0)) |
712 | (while (not (null (nth n recipient))) | |
2b5c7e03 | 713 | (smtpmail-send-command process (format "RCPT TO: <%s>" (smtpmail-maybe-append-domain (nth n recipient)))) |
8805249b RS |
714 | (setq n (1+ n)) |
715 | ||
c50d5ce0 RS |
716 | (setq response-code (smtpmail-read-response process)) |
717 | (if (or (null (car response-code)) | |
8805249b RS |
718 | (not (integerp (car response-code))) |
719 | (>= (car response-code) 400)) | |
720 | (throw 'done nil) | |
721 | ) | |
722 | )) | |
a8ba4429 | 723 | |
24975917 RS |
724 | ;; DATA |
725 | (smtpmail-send-command process "DATA") | |
726 | ||
727 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
728 | (not (integerp (car response-code))) | |
729 | (>= (car response-code) 400)) | |
730 | (throw 'done nil) | |
731 | ) | |
732 | ||
733 | ;; Mail contents | |
734 | (smtpmail-send-data process smtpmail-text-buffer) | |
735 | ||
736 | ;;DATA end "." | |
737 | (smtpmail-send-command process ".") | |
738 | ||
739 | (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
740 | (not (integerp (car response-code))) | |
741 | (>= (car response-code) 400)) | |
742 | (throw 'done nil) | |
743 | ) | |
744 | ||
745 | ;;QUIT | |
746 | ; (smtpmail-send-command process "QUIT") | |
747 | ; (and (null (car (smtpmail-read-response process))) | |
748 | ; (throw 'done nil)) | |
749 | t )) | |
750 | (if process | |
21bf0d6c | 751 | (with-current-buffer (process-buffer process) |
24975917 RS |
752 | (smtpmail-send-command process "QUIT") |
753 | (smtpmail-read-response process) | |
754 | ||
755 | ; (if (or (null (car (setq response-code (smtpmail-read-response process)))) | |
756 | ; (not (integerp (car response-code))) | |
757 | ; (>= (car response-code) 400)) | |
758 | ; (throw 'done nil) | |
759 | ; ) | |
1121afb4 SJ |
760 | (delete-process process) |
761 | (unless smtpmail-debug-info | |
762 | (kill-buffer process-buffer))))))) | |
24975917 RS |
763 | |
764 | ||
24975917 | 765 | (defun smtpmail-process-filter (process output) |
21bf0d6c | 766 | (with-current-buffer (process-buffer process) |
24975917 RS |
767 | (goto-char (point-max)) |
768 | (insert output))) | |
769 | ||
24975917 RS |
770 | (defun smtpmail-read-response (process) |
771 | (let ((case-fold-search nil) | |
c50d5ce0 | 772 | (response-strings nil) |
24975917 | 773 | (response-continue t) |
c50d5ce0 | 774 | (return-value '(nil ())) |
24975917 RS |
775 | match-end) |
776 | ||
24975917 | 777 | (while response-continue |
c8d16dbd | 778 | (goto-char smtpmail-read-point) |
24975917 RS |
779 | (while (not (search-forward "\r\n" nil t)) |
780 | (accept-process-output process) | |
781 | (goto-char smtpmail-read-point)) | |
782 | ||
783 | (setq match-end (point)) | |
c50d5ce0 RS |
784 | (setq response-strings |
785 | (cons (buffer-substring smtpmail-read-point (- match-end 2)) | |
786 | response-strings)) | |
a8ba4429 | 787 | |
24975917 RS |
788 | (goto-char smtpmail-read-point) |
789 | (if (looking-at "[0-9]+ ") | |
c50d5ce0 RS |
790 | (let ((begin (match-beginning 0)) |
791 | (end (match-end 0))) | |
792 | (if smtpmail-debug-info | |
793 | (message "%s" (car response-strings))) | |
24975917 | 794 | |
c50d5ce0 | 795 | (setq smtpmail-read-point match-end) |
24975917 | 796 | |
c50d5ce0 RS |
797 | ;; ignore lines that start with "0" |
798 | (if (looking-at "0[0-9]+ ") | |
799 | nil | |
800 | (setq response-continue nil) | |
801 | (setq return-value | |
a8ba4429 SS |
802 | (cons (string-to-int |
803 | (buffer-substring begin end)) | |
c50d5ce0 | 804 | (nreverse response-strings))))) |
a8ba4429 | 805 | |
24975917 | 806 | (if (looking-at "[0-9]+-") |
c50d5ce0 RS |
807 | (progn (if smtpmail-debug-info |
808 | (message "%s" (car response-strings))) | |
809 | (setq smtpmail-read-point match-end) | |
24975917 RS |
810 | (setq response-continue t)) |
811 | (progn | |
812 | (setq smtpmail-read-point match-end) | |
813 | (setq response-continue nil) | |
a8ba4429 | 814 | (setq return-value |
c50d5ce0 | 815 | (cons nil (nreverse response-strings))) |
24975917 RS |
816 | ) |
817 | ))) | |
818 | (setq smtpmail-read-point match-end) | |
819 | return-value)) | |
820 | ||
821 | ||
24975917 RS |
822 | (defun smtpmail-send-command (process command) |
823 | (goto-char (point-max)) | |
824 | (if (= (aref command 0) ?P) | |
825 | (insert "PASS <omitted>\r\n") | |
826 | (insert command "\r\n")) | |
827 | (setq smtpmail-read-point (point)) | |
828 | (process-send-string process command) | |
829 | (process-send-string process "\r\n")) | |
830 | ||
24975917 RS |
831 | (defun smtpmail-send-data-1 (process data) |
832 | (goto-char (point-max)) | |
833 | ||
83af570e KH |
834 | (if (and (multibyte-string-p data) |
835 | smtpmail-code-conv-from) | |
836 | (setq data (string-as-multibyte | |
837 | (encode-coding-string data smtpmail-code-conv-from)))) | |
a8ba4429 | 838 | |
24975917 RS |
839 | (if smtpmail-debug-info |
840 | (insert data "\r\n")) | |
841 | ||
842 | (setq smtpmail-read-point (point)) | |
57810560 KH |
843 | ;; Escape "." at start of a line |
844 | (if (eq (string-to-char data) ?.) | |
24975917 | 845 | (process-send-string process ".")) |
57810560 | 846 | (process-send-string process data) |
24975917 RS |
847 | (process-send-string process "\r\n") |
848 | ) | |
849 | ||
850 | (defun smtpmail-send-data (process buffer) | |
851 | (let | |
852 | ((data-continue t) | |
853 | (sending-data nil) | |
854 | this-line | |
855 | this-line-end) | |
856 | ||
21bf0d6c | 857 | (with-current-buffer buffer |
24975917 RS |
858 | (goto-char (point-min))) |
859 | ||
860 | (while data-continue | |
21bf0d6c | 861 | (with-current-buffer buffer |
24975917 RS |
862 | (beginning-of-line) |
863 | (setq this-line (point)) | |
864 | (end-of-line) | |
865 | (setq this-line-end (point)) | |
866 | (setq sending-data nil) | |
867 | (setq sending-data (buffer-substring this-line this-line-end)) | |
868 | (if (/= (forward-line 1) 0) | |
869 | (setq data-continue nil))) | |
870 | ||
871 | (smtpmail-send-data-1 process sending-data) | |
872 | ) | |
873 | ) | |
874 | ) | |
a8ba4429 | 875 | |
24975917 RS |
876 | |
877 | (defun smtpmail-deduce-address-list (smtpmail-text-buffer header-start header-end) | |
878 | "Get address list suitable for smtp RCPT TO: <address>." | |
1188dd37 | 879 | (unwind-protect |
21bf0d6c SM |
880 | (with-current-buffer smtpmail-address-buffer |
881 | (erase-buffer) | |
1188dd37 AI |
882 | (let |
883 | ((case-fold-search t) | |
884 | (simple-address-list "") | |
885 | this-line | |
886 | this-line-end | |
887 | addr-regexp) | |
24975917 RS |
888 | (insert-buffer-substring smtpmail-text-buffer header-start header-end) |
889 | (goto-char (point-min)) | |
13f1d088 KH |
890 | ;; RESENT-* fields should stop processing of regular fields. |
891 | (save-excursion | |
21bf0d6c SM |
892 | (setq addr-regexp |
893 | (if (re-search-forward "^Resent-\\(to\\|cc\\|bcc\\):" | |
894 | header-end t) | |
895 | "^Resent-\\(to\\|cc\\|bcc\\):" | |
896 | "^\\(To:\\|Cc:\\|Bcc:\\)"))) | |
13f1d088 KH |
897 | |
898 | (while (re-search-forward addr-regexp header-end t) | |
24975917 RS |
899 | (replace-match "") |
900 | (setq this-line (match-beginning 0)) | |
901 | (forward-line 1) | |
902 | ;; get any continuation lines | |
903 | (while (and (looking-at "^[ \t]+") (< (point) header-end)) | |
904 | (forward-line 1)) | |
905 | (setq this-line-end (point-marker)) | |
906 | (setq simple-address-list | |
907 | (concat simple-address-list " " | |
908 | (mail-strip-quoted-names (buffer-substring this-line this-line-end)))) | |
909 | ) | |
910 | (erase-buffer) | |
92dfd10c | 911 | (insert " " simple-address-list "\n") |
24975917 RS |
912 | (subst-char-in-region (point-min) (point-max) 10 ? t);; newline --> blank |
913 | (subst-char-in-region (point-min) (point-max) ?, ? t);; comma --> blank | |
914 | (subst-char-in-region (point-min) (point-max) 9 ? t);; tab --> blank | |
915 | ||
916 | (goto-char (point-min)) | |
917 | ;; tidyness in case hook is not robust when it looks at this | |
918 | (while (re-search-forward "[ \t]+" header-end t) (replace-match " ")) | |
919 | ||
920 | (goto-char (point-min)) | |
8805249b | 921 | (let (recipient-address-list) |
e2f7c221 | 922 | (while (re-search-forward " \\([^ ]+\\) " (point-max) t) |
8805249b | 923 | (backward-char 1) |
e2f7c221 RS |
924 | (setq recipient-address-list (cons (buffer-substring (match-beginning 1) (match-end 1)) |
925 | recipient-address-list)) | |
8805249b RS |
926 | ) |
927 | (setq smtpmail-recipient-address-list recipient-address-list)) | |
24975917 RS |
928 | |
929 | ) | |
1188dd37 | 930 | ) |
24975917 RS |
931 | ) |
932 | ) | |
933 | ||
934 | ||
935 | (defun smtpmail-do-bcc (header-end) | |
5feeeae2 | 936 | "Delete [Resent-]BCC: and their continuation lines from the header area. |
24975917 RS |
937 | There may be multiple BCC: lines, and each may have arbitrarily |
938 | many continuation lines." | |
939 | (let ((case-fold-search t)) | |
067427f5 KH |
940 | (save-excursion |
941 | (goto-char (point-min)) | |
942 | ;; iterate over all BCC: lines | |
943 | (while (re-search-forward "^\\(RESENT-\\)?BCC:" header-end t) | |
944 | (delete-region (match-beginning 0) | |
945 | (progn (forward-line 1) (point))) | |
946 | ;; get rid of any continuation lines | |
947 | (while (and (looking-at "^[ \t].*\n") (< (point) header-end)) | |
948 | (replace-match "")))))) | |
24975917 RS |
949 | |
950 | ||
951 | (provide 'smtpmail) | |
952 | ||
092af6d8 | 953 | ;;; smtpmail.el ends here |