Commit | Line | Data |
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092af6d8 | 1 | ;;; smtpmail.el --- simple SMTP protocol (RFC 821) for sending mail |
24975917 | 2 | |
6546b134 | 3 | ;; Copyright (C) 1995-1996, 2001-2012 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 | ||
b1fc2b50 | 16 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
24975917 | 17 | ;; it under the terms of the GNU General Public License as published by |
b1fc2b50 GM |
18 | ;; the Free Software Foundation, either version 3 of the License, or |
19 | ;; (at your option) any later version. | |
24975917 RS |
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 | |
b1fc2b50 | 27 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
24975917 RS |
28 | |
29 | ;;; Commentary: | |
30 | ||
31 | ;; Send Mail to smtp host from smtpmail temp buffer. | |
24975917 | 32 | |
f38d3514 | 33 | ;; Please add these lines in your .emacs(_emacs) or use customize. |
24975917 | 34 | ;; |
f38d3514 | 35 | ;;(setq send-mail-function 'smtpmail-send-it) ; if you use `mail' |
08b10dd4 | 36 | ;;(setq message-send-mail-function 'smtpmail-send-it) ; if you use message/Gnus |
95f41d9a | 37 | ;;(setq smtpmail-smtp-server "YOUR SMTP HOST") |
24975917 | 38 | ;;(setq smtpmail-local-domain "YOUR DOMAIN NAME") |
e889eabc | 39 | ;;(setq smtpmail-sendto-domain "YOUR DOMAIN NAME") |
f38d3514 | 40 | ;;(setq smtpmail-debug-info t) ; only to debug problems |
24975917 | 41 | |
75da36cc RW |
42 | ;; To queue mail, set `smtpmail-queue-mail' to t and use |
43 | ;; `smtpmail-send-queued-mail' to send. | |
308bc5d8 | 44 | |
9056f1c9 RS |
45 | ;; Modified by Stephen Cranefield <scranefield@infoscience.otago.ac.nz>, |
46 | ;; 22/6/99, to support SMTP Authentication by the AUTH=LOGIN mechanism. | |
47 | ;; See http://help.netscape.com/products/server/messaging/3x/info/smtpauth.html | |
48 | ;; Rewritten by Simon Josefsson to use same credential variable as AUTH | |
49 | ;; support below. | |
50 | ||
51 | ;; Modified by Simon Josefsson <jas@pdc.kth.se>, 22/2/99, to support SMTP | |
52 | ;; Authentication by the AUTH mechanism. | |
53 | ;; See http://www.ietf.org/rfc/rfc2554.txt | |
54 | ||
24975917 RS |
55 | ;;; Code: |
56 | ||
57 | (require 'sendmail) | |
3e79eb87 | 58 | (require 'auth-source) |
9056f1c9 | 59 | (autoload 'mail-strip-quoted-names "mail-utils") |
21bf0d6c SM |
60 | (autoload 'message-make-date "message") |
61 | (autoload 'message-make-message-id "message") | |
9056f1c9 | 62 | (autoload 'rfc2104-hash "rfc2104") |
e64a3841 | 63 | |
24975917 | 64 | ;;; |
00ed33e7 RS |
65 | (defgroup smtpmail nil |
66 | "SMTP protocol for sending mail." | |
67 | :group 'mail) | |
24975917 | 68 | |
00ed33e7 | 69 | |
4906cd3d | 70 | (defcustom smtpmail-default-smtp-server nil |
0fc1e8fe | 71 | "Specify default SMTP server. |
4906cd3d LMI |
72 | This only has effect if you specify it before loading the smtpmail library." |
73 | :type '(choice (const nil) string) | |
74 | :group 'smtpmail) | |
00ed33e7 | 75 | |
a8ba4429 | 76 | (defcustom smtpmail-smtp-server |
e2f7c221 | 77 | (or (getenv "SMTPSERVER") smtpmail-default-smtp-server) |
0fc1e8fe | 78 | "The name of the host running SMTP server." |
00ed33e7 RS |
79 | :type '(choice (const nil) string) |
80 | :group 'smtpmail) | |
24975917 | 81 | |
00ed33e7 | 82 | (defcustom smtpmail-smtp-service 25 |
0fc1e8fe | 83 | "SMTP service port number. |
1429d866 | 84 | The default value would be \"smtp\" or 25." |
9056f1c9 | 85 | :type '(choice (integer :tag "Port") (string :tag "Service")) |
00ed33e7 | 86 | :group 'smtpmail) |
24975917 | 87 | |
f5e3c598 LMI |
88 | (defcustom smtpmail-smtp-user nil |
89 | "User name to use when looking up credentials." | |
e5f1c99e | 90 | :version "24.1" |
f5e3c598 LMI |
91 | :type '(choice (const nil) string) |
92 | :group 'smtpmail) | |
93 | ||
00ed33e7 | 94 | (defcustom smtpmail-local-domain nil |
0fc1e8fe | 95 | "Local domain name without a host name. |
1429d866 | 96 | If the function `system-name' returns the full internet address, |
00ed33e7 RS |
97 | don't define this value." |
98 | :type '(choice (const nil) string) | |
99 | :group 'smtpmail) | |
100 | ||
95f41d9a LMI |
101 | (defcustom smtpmail-stream-type nil |
102 | "Connection type SMTP connections. | |
56ec5115 LMI |
103 | This may be either nil (possibly upgraded to STARTTLS if |
104 | possible), or `starttls' (refuse to send if STARTTLS isn't | |
a1eacd1e LMI |
105 | available), or `plain' (never use STARTTLS), or `ssl' (to use |
106 | TLS/SSL)." | |
95f41d9a LMI |
107 | :version "24.1" |
108 | :group 'smtpmail | |
56ec5115 LMI |
109 | :type '(choice (const :tag "Possibly upgrade to STARTTLS" nil) |
110 | (const :tag "Always use STARTTLS" starttls) | |
a1eacd1e LMI |
111 | (const :tag "Never use STARTTLS" plain) |
112 | (const :tag "Use TLS/SSL" ssl))) | |
95f41d9a | 113 | |
e889eabc | 114 | (defcustom smtpmail-sendto-domain nil |
0fc1e8fe | 115 | "Local domain name without a host name. |
e889eabc GM |
116 | This is appended (with an @-sign) to any specified recipients which do |
117 | not include an @-sign, so that each RCPT TO address is fully qualified. | |
118 | \(Some configurations of sendmail require this.) | |
119 | ||
120 | Don't bother to set this unless you have get an error like: | |
95f41d9a | 121 | Sending failed; 501 <someone>: recipient address must contain a domain." |
e889eabc GM |
122 | :type '(choice (const nil) string) |
123 | :group 'smtpmail) | |
124 | ||
00ed33e7 | 125 | (defcustom smtpmail-debug-info nil |
9056f1c9 RS |
126 | "Whether to print info in buffer *trace of SMTP session to <somewhere>*. |
127 | See also `smtpmail-debug-verb' which determines if the SMTP protocol should | |
128 | be verbose as well." | |
129 | :type 'boolean | |
130 | :group 'smtpmail) | |
131 | ||
132 | (defcustom smtpmail-debug-verb nil | |
133 | "Whether this library sends the SMTP VERB command or not. | |
134 | The commands enables verbose information from the SMTP server." | |
00ed33e7 RS |
135 | :type 'boolean |
136 | :group 'smtpmail) | |
137 | ||
0fc1e8fe GM |
138 | (defcustom smtpmail-code-conv-from nil |
139 | "Coding system for encoding outgoing mail. | |
140 | Used for the value of `sendmail-coding-system' when | |
141 | `select-message-coding-system' is called. " | |
142 | :type 'coding-system | |
00ed33e7 | 143 | :group 'smtpmail) |
24975917 | 144 | |
a8ba4429 | 145 | (defcustom smtpmail-queue-mail nil |
0fc1e8fe | 146 | "Non-nil means mail is queued; otherwise it is sent immediately. |
308bc5d8 RS |
147 | If queued, it is stored in the directory `smtpmail-queue-dir' |
148 | and sent with `smtpmail-send-queued-mail'." | |
149 | :type 'boolean | |
150 | :group 'smtpmail) | |
151 | ||
152 | (defcustom smtpmail-queue-dir "~/Mail/queued-mail/" | |
0fc1e8fe | 153 | "Directory where `smtpmail.el' stores queued mail." |
308bc5d8 RS |
154 | :type 'directory |
155 | :group 'smtpmail) | |
156 | ||
1b62b062 | 157 | (defcustom smtpmail-warn-about-unknown-extensions nil |
0fc1e8fe | 158 | "If set, print warnings about unknown SMTP extensions. |
1b62b062 GM |
159 | This is mainly useful for development purposes, to learn about |
160 | new SMTP extensions that might be useful to support." | |
161 | :type 'boolean | |
fa87f673 | 162 | :version "21.1" |
1b62b062 GM |
163 | :group 'smtpmail) |
164 | ||
0fc1e8fe | 165 | (defcustom smtpmail-queue-index-file "index" |
1429d866 | 166 | "File name of queued mail index. |
0fc1e8fe GM |
167 | This is relative to `smtpmail-queue-dir'." |
168 | :type 'string | |
169 | :group 'smtpmail) | |
170 | ||
171 | ;; End of customizable variables. | |
172 | ||
308bc5d8 | 173 | |
fb035bbf RS |
174 | (defvar smtpmail-address-buffer) |
175 | (defvar smtpmail-recipient-address-list) | |
176 | ||
08b10dd4 RS |
177 | (defvar smtpmail-queue-counter 0) |
178 | ||
fb035bbf RS |
179 | ;; Buffer-local variable. |
180 | (defvar smtpmail-read-point) | |
181 | ||
e81c51f0 | 182 | (defconst smtpmail-auth-supported '(cram-md5 plain login) |
9927d250 SJ |
183 | "List of supported SMTP AUTH mechanisms. |
184 | The list is in preference order.") | |
9056f1c9 | 185 | |
850ed7b3 | 186 | (defvar smtpmail-mail-address nil |
2265c623 | 187 | "Value to use for envelope-from address for mail from ambient buffer.") |
850ed7b3 | 188 | |
f38d3514 | 189 | ;;;###autoload |
24975917 RS |
190 | (defun smtpmail-send-it () |
191 | (let ((errbuf (if mail-interactive | |
192 | (generate-new-buffer " smtpmail errors") | |
193 | 0)) | |
194 | (tembuf (generate-new-buffer " smtpmail temp")) | |
195 | (case-fold-search nil) | |
24975917 | 196 | delimline |
95f41d9a | 197 | result |
83af570e | 198 | (mailbuf (current-buffer)) |
ff981226 GM |
199 | ;; Examine this variable now, so that |
200 | ;; local binding in the mail buffer will take effect. | |
2265c623 GM |
201 | (smtpmail-mail-address |
202 | (or (and mail-specify-envelope-from (mail-envelope-from)) | |
4c7e65bf LI |
203 | (smtpmail-user-mail-address) |
204 | (let ((from (mail-fetch-field "from"))) | |
205 | (and from | |
206 | (cadr (mail-extract-address-components from)))))) | |
83af570e KH |
207 | (smtpmail-code-conv-from |
208 | (if enable-multibyte-characters | |
209 | (let ((sendmail-coding-system smtpmail-code-conv-from)) | |
210 | (select-message-coding-system))))) | |
24975917 | 211 | (unwind-protect |
937e6a56 | 212 | (with-current-buffer tembuf |
24975917 | 213 | (erase-buffer) |
75da36cc RW |
214 | ;; Use the same `buffer-file-coding-system' as in the mail |
215 | ;; buffer, otherwise any `write-region' invocations (e.g., in | |
362e23e1 EZ |
216 | ;; mail-do-fcc below) will annoy with asking for a suitable |
217 | ;; encoding. | |
218 | (set-buffer-file-coding-system smtpmail-code-conv-from nil t) | |
24975917 RS |
219 | (insert-buffer-substring mailbuf) |
220 | (goto-char (point-max)) | |
221 | ;; require one newline at the end. | |
222 | (or (= (preceding-char) ?\n) | |
223 | (insert ?\n)) | |
224 | ;; Change header-delimiter to be what sendmail expects. | |
92a3f23d | 225 | (mail-sendmail-undelimit-header) |
24975917 | 226 | (setq delimline (point-marker)) |
75da36cc | 227 | ;; (sendmail-synch-aliases) |
24975917 RS |
228 | (if mail-aliases |
229 | (expand-mail-aliases (point-min) delimline)) | |
230 | (goto-char (point-min)) | |
231 | ;; ignore any blank lines in the header | |
232 | (while (and (re-search-forward "\n\n\n*" delimline t) | |
233 | (< (point) delimline)) | |
234 | (replace-match "\n")) | |
235 | (let ((case-fold-search t)) | |
5feeeae2 RS |
236 | ;; We used to process Resent-... headers here, |
237 | ;; but it was not done properly, and the job | |
75da36cc | 238 | ;; is done correctly in `smtpmail-deduce-address-list'. |
24975917 RS |
239 | ;; Don't send out a blank subject line |
240 | (goto-char (point-min)) | |
5feeeae2 RS |
241 | (if (re-search-forward "^Subject:\\([ \t]*\n\\)+\\b" delimline t) |
242 | (replace-match "") | |
243 | ;; This one matches a Subject just before the header delimiter. | |
244 | (if (and (re-search-forward "^Subject:\\([ \t]*\n\\)+" delimline t) | |
245 | (= (match-end 0) delimline)) | |
246 | (replace-match ""))) | |
0e2701ca RS |
247 | ;; Put the "From:" field in unless for some odd reason |
248 | ;; they put one in themselves. | |
249 | (goto-char (point-min)) | |
250 | (if (not (re-search-forward "^From:" delimline t)) | |
850ed7b3 | 251 | (let* ((login smtpmail-mail-address) |
0e2701ca RS |
252 | (fullname (user-full-name))) |
253 | (cond ((eq mail-from-style 'angles) | |
254 | (insert "From: " fullname) | |
255 | (let ((fullname-start (+ (point-min) 6)) | |
256 | (fullname-end (point-marker))) | |
257 | (goto-char fullname-start) | |
258 | ;; Look for a character that cannot appear unquoted | |
259 | ;; according to RFC 822. | |
260 | (if (re-search-forward "[^- !#-'*+/-9=?A-Z^-~]" | |
261 | fullname-end 1) | |
262 | (progn | |
263 | ;; Quote fullname, escaping specials. | |
264 | (goto-char fullname-start) | |
265 | (insert "\"") | |
266 | (while (re-search-forward "[\"\\]" | |
267 | fullname-end 1) | |
268 | (replace-match "\\\\\\&" t)) | |
269 | (insert "\"")))) | |
270 | (insert " <" login ">\n")) | |
271 | ((eq mail-from-style 'parens) | |
272 | (insert "From: " login " (") | |
273 | (let ((fullname-start (point))) | |
274 | (insert fullname) | |
275 | (let ((fullname-end (point-marker))) | |
276 | (goto-char fullname-start) | |
277 | ;; RFC 822 says \ and nonmatching parentheses | |
278 | ;; must be escaped in comments. | |
279 | ;; Escape every instance of ()\ ... | |
280 | (while (re-search-forward "[()\\]" fullname-end 1) | |
281 | (replace-match "\\\\\\&" t)) | |
282 | ;; ... then undo escaping of matching parentheses, | |
283 | ;; including matching nested parentheses. | |
284 | (goto-char fullname-start) | |
a8ba4429 | 285 | (while (re-search-forward |
0e2701ca RS |
286 | "\\(\\=\\|[^\\]\\(\\\\\\\\\\)*\\)\\\\(\\(\\([^\\]\\|\\\\\\\\\\)*\\)\\\\)" |
287 | fullname-end 1) | |
288 | (replace-match "\\1(\\3)" t) | |
289 | (goto-char fullname-start)))) | |
290 | (insert ")\n")) | |
291 | ((null mail-from-style) | |
292 | (insert "From: " login "\n"))))) | |
21bf0d6c SM |
293 | ;; Insert a `Message-Id:' field if there isn't one yet. |
294 | (goto-char (point-min)) | |
295 | (unless (re-search-forward "^Message-Id:" delimline t) | |
296 | (insert "Message-Id: " (message-make-message-id) "\n")) | |
297 | ;; Insert a `Date:' field if there isn't one yet. | |
298 | (goto-char (point-min)) | |
299 | (unless (re-search-forward "^Date:" delimline t) | |
300 | (insert "Date: " (message-make-date) "\n")) | |
362e23e1 EZ |
301 | ;; Possibly add a MIME header for the current coding system |
302 | (let (charset) | |
303 | (goto-char (point-min)) | |
304 | (and (eq mail-send-nonascii 'mime) | |
305 | (not (re-search-forward "^MIME-version:" delimline t)) | |
306 | (progn (skip-chars-forward "\0-\177") | |
307 | (/= (point) (point-max))) | |
308 | smtpmail-code-conv-from | |
309 | (setq charset | |
310 | (coding-system-get smtpmail-code-conv-from | |
311 | 'mime-charset)) | |
312 | (goto-char delimline) | |
313 | (insert "MIME-version: 1.0\n" | |
314 | "Content-type: text/plain; charset=" | |
315 | (symbol-name charset) | |
316 | "\nContent-Transfer-Encoding: 8bit\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) | |
75da36cc | 325 | ;; Force `mail-do-fcc' to use the encoding of the mail |
362e23e1 EZ |
326 | ;; buffer to encode outgoing messages on FCC files. |
327 | (let ((coding-system-for-write smtpmail-code-conv-from)) | |
328 | (mail-do-fcc delimline))) | |
24975917 | 329 | (if mail-interactive |
21bf0d6c | 330 | (with-current-buffer errbuf |
24975917 | 331 | (erase-buffer)))) |
b8d747b9 KH |
332 | ;; Encode the header according to RFC2047. |
333 | (mail-encode-header (point-min) delimline) | |
24975917 | 334 | ;; |
24975917 RS |
335 | (setq smtpmail-address-buffer (generate-new-buffer "*smtp-mail*")) |
336 | (setq smtpmail-recipient-address-list | |
75da36cc | 337 | (smtpmail-deduce-address-list tembuf (point-min) delimline)) |
24975917 | 338 | (kill-buffer smtpmail-address-buffer) |
a8ba4429 | 339 | |
24975917 | 340 | (smtpmail-do-bcc delimline) |
75da36cc | 341 | ;; Send or queue |
308bc5d8 RS |
342 | (if (not smtpmail-queue-mail) |
343 | (if (not (null smtpmail-recipient-address-list)) | |
95f41d9a LMI |
344 | (when (setq result |
345 | (smtpmail-via-smtp | |
346 | smtpmail-recipient-address-list tembuf)) | |
347 | (error "Sending failed: %s" result)) | |
308bc5d8 | 348 | (error "Sending failed; no recipients")) |
bf6e31bc SJ |
349 | (let* ((file-data |
350 | (expand-file-name | |
351 | (format "%s_%i" | |
b2364eaa | 352 | (format-time-string "%Y-%m-%d_%H:%M:%S") |
bf6e31bc SJ |
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 | 364 | (erase-buffer) |
95e4cc85 EZ |
365 | (set-buffer-file-coding-system |
366 | ;; We will be reading the file with no-conversion in | |
367 | ;; smtpmail-send-queued-mail below, so write it out | |
368 | ;; with Unix EOLs. | |
369 | (coding-system-change-eol-conversion | |
370 | (or smtpmail-code-conv-from 'undecided) | |
371 | 'unix) | |
372 | nil t) | |
b0aea09e | 373 | (insert-buffer-substring tembuf) |
308bc5d8 RS |
374 | (write-file file-data) |
375 | (set-buffer buffer-elisp) | |
376 | (erase-buffer) | |
377 | (insert (concat | |
378 | "(setq smtpmail-recipient-address-list '" | |
379 | (prin1-to-string smtpmail-recipient-address-list) | |
a8ba4429 | 380 | ")\n")) |
308bc5d8 RS |
381 | (write-file file-elisp) |
382 | (set-buffer (generate-new-buffer buffer-scratch)) | |
383 | (insert (concat file-data "\n")) | |
a8ba4429 SS |
384 | (append-to-file (point-min) |
385 | (point-max) | |
0fc1e8fe GM |
386 | (expand-file-name smtpmail-queue-index-file |
387 | smtpmail-queue-dir))) | |
308bc5d8 RS |
388 | (kill-buffer buffer-scratch) |
389 | (kill-buffer buffer-data) | |
390 | (kill-buffer buffer-elisp)))) | |
24975917 RS |
391 | (kill-buffer tembuf) |
392 | (if (bufferp errbuf) | |
393 | (kill-buffer errbuf))))) | |
394 | ||
74f39ce9 | 395 | ;;;###autoload |
308bc5d8 RS |
396 | (defun smtpmail-send-queued-mail () |
397 | "Send mail that was queued as a result of setting `smtpmail-queue-mail'." | |
398 | (interactive) | |
7e3fa9f5 | 399 | (with-temp-buffer |
75da36cc RW |
400 | ;; Get index, get first mail, send it, update index, get second |
401 | ;; mail, send it, etc... | |
0fc1e8fe GM |
402 | (let ((file-msg "") |
403 | (qfile (expand-file-name smtpmail-queue-index-file | |
95f41d9a LMI |
404 | smtpmail-queue-dir)) |
405 | result) | |
0fc1e8fe | 406 | (insert-file-contents qfile) |
88f2c9ad | 407 | (goto-char (point-min)) |
308bc5d8 | 408 | (while (not (eobp)) |
21bf0d6c | 409 | (setq file-msg (buffer-substring (point) (line-end-position))) |
308bc5d8 | 410 | (load file-msg) |
19a0baf7 EZ |
411 | ;; Insert the message literally: it is already encoded as per |
412 | ;; the MIME headers, and code conversions might guess the | |
413 | ;; encoding wrongly. | |
7e3fa9f5 EZ |
414 | (with-temp-buffer |
415 | (let ((coding-system-for-read 'no-conversion)) | |
416 | (insert-file-contents file-msg)) | |
ff981226 GM |
417 | (let ((smtpmail-mail-address |
418 | (or (and mail-specify-envelope-from (mail-envelope-from)) | |
419 | user-mail-address))) | |
420 | (if (not (null smtpmail-recipient-address-list)) | |
95f41d9a LMI |
421 | (when (setq result (smtpmail-via-smtp |
422 | smtpmail-recipient-address-list | |
423 | (current-buffer))) | |
424 | (error "Sending failed: %s" result)) | |
ff981226 | 425 | (error "Sending failed; no recipients")))) |
308bc5d8 RS |
426 | (delete-file file-msg) |
427 | (delete-file (concat file-msg ".el")) | |
95754b9f | 428 | (delete-region (point-at-bol) (point-at-bol 2))) |
0fc1e8fe | 429 | (write-region (point-min) (point-max) qfile)))) |
24975917 | 430 | |
24975917 RS |
431 | (defun smtpmail-fqdn () |
432 | (if smtpmail-local-domain | |
433 | (concat (system-name) "." smtpmail-local-domain) | |
434 | (system-name))) | |
435 | ||
9056f1c9 RS |
436 | (defsubst smtpmail-cred-server (cred) |
437 | (nth 0 cred)) | |
438 | ||
439 | (defsubst smtpmail-cred-port (cred) | |
440 | (nth 1 cred)) | |
441 | ||
442 | (defsubst smtpmail-cred-key (cred) | |
443 | (nth 2 cred)) | |
444 | ||
445 | (defsubst smtpmail-cred-user (cred) | |
446 | (nth 2 cred)) | |
447 | ||
448 | (defsubst smtpmail-cred-cert (cred) | |
449 | (nth 3 cred)) | |
450 | ||
451 | (defsubst smtpmail-cred-passwd (cred) | |
452 | (nth 3 cred)) | |
453 | ||
454 | (defun smtpmail-find-credentials (cred server port) | |
455 | (catch 'done | |
456 | (let ((l cred) el) | |
457 | (while (setq el (pop l)) | |
458 | (when (and (equal server (smtpmail-cred-server el)) | |
459 | (equal port (smtpmail-cred-port el))) | |
460 | (throw 'done el)))))) | |
461 | ||
2b5c7e03 GM |
462 | (defun smtpmail-maybe-append-domain (recipient) |
463 | (if (or (not smtpmail-sendto-domain) | |
464 | (string-match "@" recipient)) | |
465 | recipient | |
466 | (concat recipient "@" smtpmail-sendto-domain))) | |
467 | ||
9056f1c9 RS |
468 | (defun smtpmail-intersection (list1 list2) |
469 | (let ((result nil)) | |
470 | (dolist (el2 list2) | |
471 | (when (memq el2 list1) | |
472 | (push el2 result))) | |
473 | (nreverse result))) | |
474 | ||
95f41d9a LMI |
475 | (defun smtpmail-command-or-throw (process string &optional code) |
476 | (let (ret) | |
477 | (smtpmail-send-command process string) | |
478 | (unless (smtpmail-ok-p (setq ret (smtpmail-read-response process)) | |
479 | code) | |
7d36ad46 LMI |
480 | (throw 'done (format "%s in response to %s" |
481 | (smtpmail-response-text ret) | |
482 | string))) | |
95f41d9a LMI |
483 | ret)) |
484 | ||
485 | (defun smtpmail-try-auth-methods (process supported-extensions host port | |
486 | &optional ask-for-password) | |
97bb1093 LMI |
487 | (setq port |
488 | (if port | |
489 | (format "%s" port) | |
490 | "smtp")) | |
9056f1c9 | 491 | (let* ((mechs (cdr-safe (assoc 'auth supported-extensions))) |
9927d250 | 492 | (mech (car (smtpmail-intersection mechs smtpmail-auth-supported))) |
95f41d9a | 493 | (auth-source-creation-prompts |
2784c434 | 494 | '((user . "SMTP user name for %h: ") |
95f41d9a LMI |
495 | (secret . "SMTP password for %u@%h: "))) |
496 | (auth-info (car | |
ddb7ffee | 497 | (auth-source-search |
ddb7ffee | 498 | :host host |
97bb1093 | 499 | :port port |
f5e3c598 | 500 | :user smtpmail-smtp-user |
40098786 | 501 | :max 1 |
ddb7ffee LMI |
502 | :require (and ask-for-password |
503 | '(:user :secret)) | |
504 | :create ask-for-password))) | |
95f41d9a LMI |
505 | (user (plist-get auth-info :user)) |
506 | (password (plist-get auth-info :secret)) | |
507 | (save-function (and ask-for-password | |
508 | (plist-get auth-info :save-function))) | |
9056f1c9 | 509 | ret) |
e7f2c178 LMI |
510 | (when (functionp password) |
511 | (setq password (funcall password))) | |
97bb1093 LMI |
512 | (when (and user |
513 | (not password)) | |
514 | ;; The user has stored the user name, but not the password, so | |
515 | ;; ask for the password, even if we're not forcing that through | |
516 | ;; `ask-for-password'. | |
517 | (setq auth-info | |
518 | (car | |
519 | (auth-source-search | |
520 | :max 1 | |
521 | :host host | |
522 | :port port | |
f5e3c598 | 523 | :user smtpmail-smtp-user |
97bb1093 LMI |
524 | :require '(:user :secret) |
525 | :create t)) | |
526 | password (plist-get auth-info :secret))) | |
95f41d9a LMI |
527 | (when (functionp password) |
528 | (setq password (funcall password))) | |
529 | (cond | |
530 | ((or (not mech) | |
531 | (not user) | |
532 | (not password)) | |
533 | ;; No mechanism, or no credentials. | |
534 | mech) | |
535 | ((eq mech 'cram-md5) | |
536 | (setq ret (smtpmail-command-or-throw process "AUTH CRAM-MD5")) | |
537 | (when (eq (car ret) 334) | |
538 | (let* ((challenge (substring (cadr ret) 4)) | |
539 | (decoded (base64-decode-string challenge)) | |
540 | (hash (rfc2104-hash 'md5 64 16 password decoded)) | |
541 | (response (concat user " " hash)) | |
542 | ;; Osamu Yamane <yamane@green.ocn.ne.jp>: | |
543 | ;; SMTP auth fails because the SMTP server identifies | |
544 | ;; only the first part of the string (delimited by | |
545 | ;; new line characters) as a response from the | |
546 | ;; client, and the rest as distinct commands. | |
547 | ||
548 | ;; In my case, the response string is 80 characters | |
549 | ;; long. Without the no-line-break option for | |
550 | ;; `base64-encode-string', only the first 76 characters | |
551 | ;; are taken as a response to the server, and the | |
552 | ;; authentication fails. | |
553 | (encoded (base64-encode-string response t))) | |
554 | (smtpmail-command-or-throw process encoded) | |
555 | (when save-function | |
556 | (funcall save-function))))) | |
557 | ((eq mech 'login) | |
558 | (smtpmail-command-or-throw process "AUTH LOGIN") | |
559 | (smtpmail-command-or-throw | |
560 | process (base64-encode-string user t)) | |
561 | (smtpmail-command-or-throw process (base64-encode-string password t)) | |
562 | (when save-function | |
563 | (funcall save-function))) | |
564 | ((eq mech 'plain) | |
565 | ;; We used to send an empty initial request, and wait for an | |
566 | ;; empty response, and then send the password, but this | |
567 | ;; violate a SHOULD in RFC 2222 paragraph 5.1. Note that this | |
568 | ;; is not sent if the server did not advertise AUTH PLAIN in | |
569 | ;; the EHLO response. See RFC 2554 for more info. | |
570 | (smtpmail-command-or-throw | |
571 | process | |
572 | (concat "AUTH PLAIN " | |
573 | (base64-encode-string (concat "\0" user "\0" password) t)) | |
574 | 235) | |
575 | (when save-function | |
576 | (funcall save-function))) | |
577 | (t | |
578 | (error "Mechanism %s not implemented" mech))))) | |
579 | ||
580 | (defun smtpmail-response-code (string) | |
581 | (when string | |
582 | (with-temp-buffer | |
583 | (insert string) | |
584 | (goto-char (point-min)) | |
585 | (and (re-search-forward "^\\([0-9]+\\) " nil t) | |
586 | (string-to-number (match-string 1)))))) | |
587 | ||
588 | (defun smtpmail-ok-p (response &optional code) | |
589 | (and (car response) | |
590 | (integerp (car response)) | |
591 | (< (car response) 400) | |
592 | (or (null code) | |
593 | (= code (car response))))) | |
594 | ||
595 | (defun smtpmail-response-text (response) | |
596 | (mapconcat 'identity (cdr response) "\n")) | |
597 | ||
598 | (defun smtpmail-query-smtp-server () | |
6546b134 GM |
599 | "Query for an SMTP server and try to contact it. |
600 | If the contact succeeds, customizes and saves `smtpmail-smtp-server' | |
601 | and `smtpmail-smtp-service'. This tries standard SMTP ports, and if | |
602 | none works asks you to supply one. If you know that you need to use | |
603 | a non-standard port, you can set `smtpmail-smtp-service' in advance. | |
604 | Returns an error if the server cannot be contacted." | |
95f41d9a | 605 | (let ((server (read-string "Outgoing SMTP mail server: ")) |
d29b2b4c | 606 | (ports '(25 587)) |
835bdcba | 607 | stream port prompted) |
d29b2b4c LI |
608 | (when (and smtpmail-smtp-service |
609 | (not (member smtpmail-smtp-service ports))) | |
610 | (push smtpmail-smtp-service ports)) | |
95f41d9a LMI |
611 | (while (and (not smtpmail-smtp-server) |
612 | (setq port (pop ports))) | |
835bdcba LI |
613 | (if (not (setq stream (condition-case () |
614 | (open-network-stream "smtp" nil server port) | |
615 | (quit nil) | |
616 | (error nil)))) | |
6546b134 | 617 | ;; We've used up the list of default ports, so query the user. |
835bdcba LI |
618 | (when (and (not ports) |
619 | (not prompted)) | |
620 | (push (read-number (format "Port number to use when contacting %s? " | |
621 | server)) | |
622 | ports) | |
623 | (setq prompted t)) | |
9988520a LMI |
624 | (customize-save-variable 'smtpmail-smtp-server server) |
625 | (customize-save-variable 'smtpmail-smtp-service port) | |
95f41d9a LMI |
626 | (delete-process stream))) |
627 | (unless smtpmail-smtp-server | |
628 | (error "Couldn't contact an SMTP server")))) | |
629 | ||
4c7e65bf LI |
630 | (defun smtpmail-user-mail-address () |
631 | "Return `user-mail-address' if it's a valid email address." | |
632 | (and user-mail-address | |
633 | (let ((parts (split-string user-mail-address "@"))) | |
634 | (and (= (length parts) 2) | |
635 | ;; There's a dot in the domain name. | |
636 | (string-match "\\." (cadr parts)) | |
637 | user-mail-address)))) | |
638 | ||
95f41d9a LMI |
639 | (defun smtpmail-via-smtp (recipient smtpmail-text-buffer |
640 | &optional ask-for-password) | |
641 | (unless smtpmail-smtp-server | |
642 | (smtpmail-query-smtp-server)) | |
24975917 | 643 | (let ((process nil) |
f38d3514 KH |
644 | (host (or smtpmail-smtp-server |
645 | (error "`smtpmail-smtp-server' not defined"))) | |
8805249b | 646 | (port smtpmail-smtp-service) |
75da36cc | 647 | ;; `smtpmail-mail-address' should be set to the appropriate |
ff981226 | 648 | ;; buffer-local value by the caller, but in case not: |
4c7e65bf LI |
649 | (envelope-from |
650 | (or smtpmail-mail-address | |
651 | (and mail-specify-envelope-from | |
652 | (mail-envelope-from)) | |
653 | (smtpmail-user-mail-address) | |
654 | ;; Fall back on the From: header as the envelope From | |
655 | ;; address. | |
656 | (let ((from (mail-fetch-field "from"))) | |
657 | (and from | |
658 | (cadr (mail-extract-address-components from)))))) | |
24975917 | 659 | response-code |
c50d5ce0 | 660 | process-buffer |
95f41d9a LMI |
661 | result |
662 | auth-mechanisms | |
c50d5ce0 | 663 | (supported-extensions '())) |
24975917 RS |
664 | (unwind-protect |
665 | (catch 'done | |
666 | ;; get or create the trace buffer | |
667 | (setq process-buffer | |
95f41d9a LMI |
668 | (get-buffer-create |
669 | (format "*trace of SMTP session to %s*" host))) | |
24975917 RS |
670 | |
671 | ;; clear the trace buffer of old output | |
21bf0d6c | 672 | (with-current-buffer process-buffer |
9cf328cc | 673 | (setq buffer-undo-list t) |
24975917 RS |
674 | (erase-buffer)) |
675 | ||
676 | ;; open the connection to the server | |
c65c9622 LMI |
677 | (let ((coding-system-for-read 'binary) |
678 | (coding-system-for-write 'binary)) | |
679 | (setq result | |
680 | (open-network-stream | |
681 | "smtpmail" process-buffer host port | |
682 | :type smtpmail-stream-type | |
683 | :return-list t | |
684 | :capability-command (format "EHLO %s\r\n" (smtpmail-fqdn)) | |
685 | :end-of-command "^[0-9]+ .*\r\n" | |
686 | :success "^2.*\n" | |
687 | :always-query-capabilities t | |
688 | :starttls-function | |
689 | (lambda (capabilities) | |
85a16208 | 690 | (and (string-match "[ -]STARTTLS" capabilities) |
c65c9622 LMI |
691 | "STARTTLS\r\n")) |
692 | :client-certificate t | |
693 | :use-starttls-if-possible t))) | |
95f41d9a LMI |
694 | |
695 | ;; If we couldn't access the server at all, we give up. | |
696 | (unless (setq process (car result)) | |
468d09d4 LMI |
697 | (throw 'done (if (plist-get (cdr result) :error) |
698 | (plist-get (cdr result) :error) | |
699 | "Unable to contact server"))) | |
24975917 RS |
700 | |
701 | ;; set the send-filter | |
702 | (set-process-filter process 'smtpmail-process-filter) | |
703 | ||
95f41d9a LMI |
704 | (let* ((greeting (plist-get (cdr result) :greeting)) |
705 | (code (smtpmail-response-code greeting))) | |
706 | (unless code | |
707 | (throw 'done (format "No greeting: %s" greeting))) | |
708 | (when (>= code 400) | |
709 | (throw 'done (format "Connection not allowed: %s" greeting)))) | |
e5f1c99e | 710 | |
21bf0d6c | 711 | (with-current-buffer process-buffer |
4b876894 | 712 | (set-buffer-process-coding-system 'raw-text-unix 'raw-text-unix) |
24975917 RS |
713 | (make-local-variable 'smtpmail-read-point) |
714 | (setq smtpmail-read-point (point-min)) | |
715 | ||
95f41d9a LMI |
716 | (let* ((capabilities (plist-get (cdr result) :capabilities)) |
717 | (code (smtpmail-response-code capabilities))) | |
718 | (if (or (null code) | |
719 | (>= code 400)) | |
720 | ;; The server didn't accept EHLO, so we fall back on HELO. | |
721 | (smtpmail-command-or-throw | |
722 | process (format "HELO %s" (smtpmail-fqdn))) | |
723 | ;; EHLO was successful, so we parse the extensions. | |
724 | (dolist (line (delete | |
725 | "" | |
726 | (split-string | |
727 | (plist-get (cdr result) :capabilities) | |
728 | "\r\n"))) | |
729 | (let ((name | |
730 | (with-case-table ascii-case-table | |
731 | (mapcar (lambda (s) (intern (downcase s))) | |
732 | (split-string (substring line 4) "[ ]"))))) | |
733 | (when (= (length name) 1) | |
734 | (setq name (car name))) | |
735 | (when name | |
736 | (cond ((memq (if (consp name) (car name) name) | |
737 | '(verb xvrb 8bitmime onex xone | |
738 | expn size dsn etrn | |
739 | enhancedstatuscodes | |
740 | help xusr | |
741 | auth=login auth starttls)) | |
742 | (setq supported-extensions | |
743 | (cons name supported-extensions))) | |
744 | (smtpmail-warn-about-unknown-extensions | |
745 | (message "Unknown extension %s" name)))))))) | |
746 | ||
747 | (setq auth-mechanisms | |
748 | (smtpmail-try-auth-methods | |
749 | process supported-extensions host port | |
750 | ask-for-password)) | |
751 | ||
752 | (when (or (member 'onex supported-extensions) | |
753 | (member 'xone supported-extensions)) | |
754 | (smtpmail-command-or-throw process (format "ONEX"))) | |
755 | ||
756 | (when (and smtpmail-debug-verb | |
757 | (or (member 'verb supported-extensions) | |
758 | (member 'xvrb supported-extensions))) | |
759 | (smtpmail-command-or-throw process (format "VERB"))) | |
760 | ||
761 | (when (member 'xusr supported-extensions) | |
762 | (smtpmail-command-or-throw process (format "XUSR"))) | |
e5f1c99e | 763 | |
a8df98fd | 764 | ;; MAIL FROM:<sender> |
c50d5ce0 | 765 | (let ((size-part |
9056f1c9 RS |
766 | (if (or (member 'size supported-extensions) |
767 | (assoc 'size supported-extensions)) | |
c50d5ce0 | 768 | (format " SIZE=%d" |
21bf0d6c | 769 | (with-current-buffer smtpmail-text-buffer |
c50d5ce0 RS |
770 | ;; size estimate: |
771 | (+ (- (point-max) (point-min)) | |
772 | ;; Add one byte for each change-of-line | |
73921ac1 GM |
773 | ;; because of CR-LF representation: |
774 | (count-lines (point-min) (point-max))))) | |
c50d5ce0 RS |
775 | "")) |
776 | (body-part | |
777 | (if (member '8bitmime supported-extensions) | |
778 | ;; FIXME: | |
779 | ;; Code should be added here that transforms | |
780 | ;; the contents of the message buffer into | |
781 | ;; something the receiving SMTP can handle. | |
782 | ;; For a receiver that supports 8BITMIME, this | |
783 | ;; may mean converting BINARY to BASE64, or | |
784 | ;; adding Content-Transfer-Encoding and the | |
785 | ;; other MIME headers. The code should also | |
786 | ;; return an indication of what encoding the | |
787 | ;; message buffer is now, i.e. ASCII or | |
788 | ;; 8BITMIME. | |
789 | (if nil | |
790 | " BODY=8BITMIME" | |
791 | "") | |
792 | ""))) | |
7d36ad46 | 793 | (smtpmail-send-command |
95f41d9a | 794 | process (format "MAIL FROM:<%s>%s%s" |
7d36ad46 LMI |
795 | envelope-from size-part body-part)) |
796 | (cond | |
797 | ((smtpmail-ok-p (setq result (smtpmail-read-response process))) | |
798 | ;; Success. | |
799 | ) | |
800 | ((and auth-mechanisms | |
801 | (not ask-for-password) | |
e5f1c99e | 802 | (eq (car result) 530)) |
7d36ad46 LMI |
803 | ;; We got a "530 auth required", so we close and try |
804 | ;; again, this time asking the user for a password. | |
5d5ac8ec LMI |
805 | ;; We ignore any errors here, because some MTAs just |
806 | ;; close the connection immediately after giving the | |
807 | ;; error message. | |
808 | (ignore-errors | |
809 | (smtpmail-send-command process "QUIT") | |
810 | (smtpmail-read-response process)) | |
7d36ad46 | 811 | (delete-process process) |
396f7c9d | 812 | (setq process nil) |
7d36ad46 LMI |
813 | (throw 'done |
814 | (smtpmail-via-smtp recipient smtpmail-text-buffer t))) | |
815 | (t | |
816 | ;; Return the error code. | |
817 | (throw 'done | |
818 | (smtpmail-response-text result))))) | |
a8ba4429 | 819 | |
a8df98fd | 820 | ;; RCPT TO:<recipient> |
8805249b RS |
821 | (let ((n 0)) |
822 | (while (not (null (nth n recipient))) | |
95f41d9a LMI |
823 | (smtpmail-send-command |
824 | process (format "RCPT TO:<%s>" | |
825 | (smtpmail-maybe-append-domain | |
826 | (nth n recipient)))) | |
827 | (cond | |
828 | ((smtpmail-ok-p (setq result (smtpmail-read-response process))) | |
829 | ;; Success. | |
830 | nil) | |
831 | ((and auth-mechanisms | |
832 | (not ask-for-password) | |
e5f1c99e | 833 | (integerp (car result)) |
4e190b80 LMI |
834 | (>= (car result) 550) |
835 | (<= (car result) 554)) | |
836 | ;; We got a "550 relay not permitted" (or the like), | |
837 | ;; and the server accepts credentials, so we try | |
838 | ;; again, but ask for a password first. | |
95f41d9a LMI |
839 | (smtpmail-send-command process "QUIT") |
840 | (smtpmail-read-response process) | |
841 | (delete-process process) | |
396f7c9d | 842 | (setq process nil) |
95f41d9a LMI |
843 | (throw 'done |
844 | (smtpmail-via-smtp recipient smtpmail-text-buffer t))) | |
845 | (t | |
846 | ;; Return the error code. | |
847 | (throw 'done | |
848 | (smtpmail-response-text result)))) | |
849 | (setq n (1+ n)))) | |
850 | ||
851 | ;; Send the contents. | |
852 | (smtpmail-command-or-throw process "DATA") | |
24975917 | 853 | (smtpmail-send-data process smtpmail-text-buffer) |
75da36cc | 854 | ;; DATA end "." |
95f41d9a LMI |
855 | (smtpmail-command-or-throw process ".") |
856 | ;; Return success. | |
857 | nil)) | |
858 | (when (and process | |
859 | (buffer-live-p process-buffer)) | |
860 | (with-current-buffer (process-buffer process) | |
861 | (smtpmail-send-command process "QUIT") | |
862 | (smtpmail-read-response process) | |
863 | (delete-process process) | |
864 | (unless smtpmail-debug-info | |
865 | (kill-buffer process-buffer))))))) | |
24975917 RS |
866 | |
867 | ||
24975917 | 868 | (defun smtpmail-process-filter (process output) |
21bf0d6c | 869 | (with-current-buffer (process-buffer process) |
24975917 | 870 | (goto-char (point-max)) |
65a046c4 LMI |
871 | (insert output) |
872 | (set-marker (process-mark process) (point)))) | |
24975917 | 873 | |
24975917 RS |
874 | (defun smtpmail-read-response (process) |
875 | (let ((case-fold-search nil) | |
c50d5ce0 | 876 | (response-strings nil) |
24975917 | 877 | (response-continue t) |
c50d5ce0 | 878 | (return-value '(nil ())) |
24975917 | 879 | match-end) |
2ceed428 SJ |
880 | (catch 'done |
881 | (while response-continue | |
882 | (goto-char smtpmail-read-point) | |
883 | (while (not (search-forward "\r\n" nil t)) | |
884 | (unless (memq (process-status process) '(open run)) | |
885 | (throw 'done nil)) | |
886 | (accept-process-output process) | |
887 | (goto-char smtpmail-read-point)) | |
888 | ||
889 | (setq match-end (point)) | |
890 | (setq response-strings | |
891 | (cons (buffer-substring smtpmail-read-point (- match-end 2)) | |
892 | response-strings)) | |
893 | ||
894 | (goto-char smtpmail-read-point) | |
895 | (if (looking-at "[0-9]+ ") | |
896 | (let ((begin (match-beginning 0)) | |
897 | (end (match-end 0))) | |
898 | (if smtpmail-debug-info | |
899 | (message "%s" (car response-strings))) | |
900 | ||
901 | (setq smtpmail-read-point match-end) | |
902 | ||
903 | ;; ignore lines that start with "0" | |
904 | (if (looking-at "0[0-9]+ ") | |
905 | nil | |
906 | (setq response-continue nil) | |
907 | (setq return-value | |
027a4b6b | 908 | (cons (string-to-number |
2ceed428 SJ |
909 | (buffer-substring begin end)) |
910 | (nreverse response-strings))))) | |
911 | ||
912 | (if (looking-at "[0-9]+-") | |
913 | (progn (if smtpmail-debug-info | |
914 | (message "%s" (car response-strings))) | |
915 | (setq smtpmail-read-point match-end) | |
916 | (setq response-continue t)) | |
917 | (progn | |
918 | (setq smtpmail-read-point match-end) | |
c50d5ce0 RS |
919 | (setq response-continue nil) |
920 | (setq return-value | |
2ceed428 SJ |
921 | (cons nil (nreverse response-strings))))))) |
922 | (setq smtpmail-read-point match-end)) | |
24975917 RS |
923 | return-value)) |
924 | ||
925 | ||
24975917 RS |
926 | (defun smtpmail-send-command (process command) |
927 | (goto-char (point-max)) | |
7520339c LMI |
928 | (if (string-match "\\`AUTH [A-Z]+ " command) |
929 | (insert (match-string 0 command) "<omitted>\r\n") | |
24975917 RS |
930 | (insert command "\r\n")) |
931 | (setq smtpmail-read-point (point)) | |
932 | (process-send-string process command) | |
933 | (process-send-string process "\r\n")) | |
934 | ||
24975917 RS |
935 | (defun smtpmail-send-data-1 (process data) |
936 | (goto-char (point-max)) | |
937 | ||
83af570e KH |
938 | (if (and (multibyte-string-p data) |
939 | smtpmail-code-conv-from) | |
940 | (setq data (string-as-multibyte | |
941 | (encode-coding-string data smtpmail-code-conv-from)))) | |
a8ba4429 | 942 | |
24975917 RS |
943 | (if smtpmail-debug-info |
944 | (insert data "\r\n")) | |
945 | ||
946 | (setq smtpmail-read-point (point)) | |
57810560 KH |
947 | ;; Escape "." at start of a line |
948 | (if (eq (string-to-char data) ?.) | |
24975917 | 949 | (process-send-string process ".")) |
57810560 | 950 | (process-send-string process data) |
75da36cc | 951 | (process-send-string process "\r\n")) |
24975917 RS |
952 | |
953 | (defun smtpmail-send-data (process buffer) | |
1257e755 SM |
954 | (let ((data-continue t) sending-data |
955 | (pr (with-current-buffer buffer | |
112a6592 | 956 | (make-progress-reporter "Sending email " |
1257e755 | 957 | (point-min) (point-max))))) |
21bf0d6c | 958 | (with-current-buffer buffer |
24975917 | 959 | (goto-char (point-min))) |
24975917 | 960 | (while data-continue |
21bf0d6c | 961 | (with-current-buffer buffer |
1257e755 | 962 | (progress-reporter-update pr (point)) |
dd64e5e5 GM |
963 | (setq sending-data (buffer-substring (point-at-bol) (point-at-eol))) |
964 | (end-of-line 2) | |
965 | (setq data-continue (not (eobp)))) | |
1257e755 SM |
966 | (smtpmail-send-data-1 process sending-data)) |
967 | (progress-reporter-done pr))) | |
24975917 RS |
968 | |
969 | (defun smtpmail-deduce-address-list (smtpmail-text-buffer header-start header-end) | |
970 | "Get address list suitable for smtp RCPT TO: <address>." | |
1188dd37 | 971 | (unwind-protect |
21bf0d6c SM |
972 | (with-current-buffer smtpmail-address-buffer |
973 | (erase-buffer) | |
75da36cc RW |
974 | (let ((case-fold-search t) |
975 | (simple-address-list "") | |
976 | this-line | |
977 | this-line-end | |
978 | addr-regexp) | |
24975917 RS |
979 | (insert-buffer-substring smtpmail-text-buffer header-start header-end) |
980 | (goto-char (point-min)) | |
13f1d088 KH |
981 | ;; RESENT-* fields should stop processing of regular fields. |
982 | (save-excursion | |
21bf0d6c SM |
983 | (setq addr-regexp |
984 | (if (re-search-forward "^Resent-\\(to\\|cc\\|bcc\\):" | |
985 | header-end t) | |
986 | "^Resent-\\(to\\|cc\\|bcc\\):" | |
987 | "^\\(To:\\|Cc:\\|Bcc:\\)"))) | |
13f1d088 KH |
988 | |
989 | (while (re-search-forward addr-regexp header-end t) | |
24975917 RS |
990 | (replace-match "") |
991 | (setq this-line (match-beginning 0)) | |
992 | (forward-line 1) | |
993 | ;; get any continuation lines | |
994 | (while (and (looking-at "^[ \t]+") (< (point) header-end)) | |
995 | (forward-line 1)) | |
996 | (setq this-line-end (point-marker)) | |
997 | (setq simple-address-list | |
998 | (concat simple-address-list " " | |
75da36cc | 999 | (mail-strip-quoted-names (buffer-substring this-line this-line-end))))) |
24975917 | 1000 | (erase-buffer) |
92dfd10c | 1001 | (insert " " simple-address-list "\n") |
75da36cc RW |
1002 | (subst-char-in-region (point-min) (point-max) 10 ? t) ; newline --> blank |
1003 | (subst-char-in-region (point-min) (point-max) ?, ? t) ; comma --> blank | |
1004 | (subst-char-in-region (point-min) (point-max) 9 ? t) ; tab --> blank | |
24975917 RS |
1005 | |
1006 | (goto-char (point-min)) | |
cd1181db | 1007 | ;; tidiness in case hook is not robust when it looks at this |
24975917 RS |
1008 | (while (re-search-forward "[ \t]+" header-end t) (replace-match " ")) |
1009 | ||
1010 | (goto-char (point-min)) | |
8805249b | 1011 | (let (recipient-address-list) |
e2f7c221 | 1012 | (while (re-search-forward " \\([^ ]+\\) " (point-max) t) |
8805249b | 1013 | (backward-char 1) |
e2f7c221 | 1014 | (setq recipient-address-list (cons (buffer-substring (match-beginning 1) (match-end 1)) |
75da36cc RW |
1015 | recipient-address-list))) |
1016 | (setq smtpmail-recipient-address-list recipient-address-list)))))) | |
24975917 RS |
1017 | |
1018 | (defun smtpmail-do-bcc (header-end) | |
5feeeae2 | 1019 | "Delete [Resent-]BCC: and their continuation lines from the header area. |
24975917 RS |
1020 | There may be multiple BCC: lines, and each may have arbitrarily |
1021 | many continuation lines." | |
1022 | (let ((case-fold-search t)) | |
067427f5 KH |
1023 | (save-excursion |
1024 | (goto-char (point-min)) | |
1025 | ;; iterate over all BCC: lines | |
1026 | (while (re-search-forward "^\\(RESENT-\\)?BCC:" header-end t) | |
1027 | (delete-region (match-beginning 0) | |
1028 | (progn (forward-line 1) (point))) | |
1029 | ;; get rid of any continuation lines | |
1030 | (while (and (looking-at "^[ \t].*\n") (< (point) header-end)) | |
1031 | (replace-match "")))))) | |
24975917 | 1032 | |
24975917 RS |
1033 | (provide 'smtpmail) |
1034 | ||
092af6d8 | 1035 | ;;; smtpmail.el ends here |