;;; smtpmail.el --- simple SMTP protocol (RFC 821) for sending mail
-;; Copyright (C) 1995, 1996, 2001, 2002 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 2001, 2002, 2003, 2004, 2005,
+;; 2006, 2007 Free Software Foundation, Inc.
;; Author: Tomoji Kagatani <kagatani@rbc.ncl.omron.co.jp>
;; Maintainer: Simon Josefsson <simon@josefsson.org>
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; '(("YOUR SMTP HOST" 25 "username" "password")))
;;(setq smtpmail-starttls-credentials
;; '(("YOUR SMTP HOST" 25 "~/.my_smtp_tls.key" "~/.my_smtp_tls.cert")))
+;; Where the 25 equals the value of `smtpmail-smtp-service', it can be an
+;; integer or a string, just as long as they match (eq).
;; To queue mail, set smtpmail-queue-mail to t and use
;; smtpmail-send-queued-mail to send.
;;; Code:
(require 'sendmail)
-(require 'time-stamp)
(autoload 'starttls-open-stream "starttls")
(autoload 'starttls-negotiate "starttls")
(autoload 'mail-strip-quoted-names "mail-utils")
(defcustom smtpmail-default-smtp-server nil
- "*Specify default SMTP server."
+ "*Specify default SMTP server.
+This only has effect if you specify it before loading the smtpmail library."
:type '(choice (const nil) string)
:group 'smtpmail)
(defcustom smtpmail-smtp-service 25
"*SMTP service port number.
-The default value would be \"smtp\" or 25 ."
+The default value would be \"smtp\" or 25."
:type '(choice (integer :tag "Port") (string :tag "Service"))
:group 'smtpmail)
(defcustom smtpmail-local-domain nil
"*Local domain name without a host name.
-If the function (system-name) returns the full internet address,
+If the function `system-name' returns the full internet address,
don't define this value."
:type '(choice (const nil) string)
:group 'smtpmail)
:group 'smtpmail)
(defcustom smtpmail-queue-mail nil
- "*Specify if mail is queued (if t) or sent immediately (if nil).
+ "*If set, mail is queued; otherwise it is sent immediately.
If queued, it is stored in the directory `smtpmail-queue-dir'
and sent with `smtpmail-send-queued-mail'."
:type 'boolean
(string :tag "Username")
(choice (const :tag "Query when needed" nil)
(string :tag "Password")))))
- :version "21.4"
+ :version "22.1"
:group 'smtpmail)
(defcustom smtpmail-starttls-credentials '(("" 25 "" ""))
"Specify STARTTLS keys and certificates for servers.
This is a list of four-element list with `servername' (a string),
-`port' (an integer), `key' (a filename) and `certificate' (a filename)."
+`port' (an integer), `key' (a filename) and `certificate' (a
+filename).
+If you do not have a certificate/key pair, leave the `key' and
+`certificate' fields as `nil'. A key/certificate pair is only
+needed if you want to use X.509 client authenticated
+connections."
:type '(repeat (list (string :tag "Server")
(integer :tag "Port")
(file :tag "Key")
:group 'smtpmail)
(defvar smtpmail-queue-index-file "index"
- "File name of queued mail index,
+ "File name of queued mail index.
This is relative to `smtpmail-queue-dir'.")
(defvar smtpmail-address-buffer)
(defvar smtpmail-queue-index (concat smtpmail-queue-dir
smtpmail-queue-index-file))
-(defconst smtpmail-auth-supported '(cram-md5 login)
+(defconst smtpmail-auth-supported '(cram-md5 plain login)
"List of supported SMTP AUTH mechanisms.")
;;;
;;;
(defvar smtpmail-mail-address nil
- "Value of `user-mail-address' in ambient buffer.")
+ "Value to use for envelope-from address for mail from ambient buffer.")
;;;###autoload
(defun smtpmail-send-it ()
(case-fold-search nil)
delimline
(mailbuf (current-buffer))
- (smtpmail-mail-address user-mail-address)
+ ;; Examine this variable now, so that
+ ;; local binding in the mail buffer will take effect.
+ (smtpmail-mail-address
+ (or (and mail-specify-envelope-from (mail-envelope-from))
+ user-mail-address))
(smtpmail-code-conv-from
(if enable-multibyte-characters
(let ((sendmail-coding-system smtpmail-code-conv-from))
(save-excursion
(set-buffer tembuf)
(erase-buffer)
+ ;; Use the same buffer-file-coding-system as in the mail
+ ;; buffer, otherwise any write-region invocations (e.g., in
+ ;; mail-do-fcc below) will annoy with asking for a suitable
+ ;; encoding.
+ (set-buffer-file-coding-system smtpmail-code-conv-from nil t)
(insert-buffer-substring mailbuf)
(goto-char (point-max))
;; require one newline at the end.
(goto-char (point-min))
(unless (re-search-forward "^Date:" delimline t)
(insert "Date: " (message-make-date) "\n"))
+ ;; Possibly add a MIME header for the current coding system
+ (let (charset)
+ (goto-char (point-min))
+ (and (eq mail-send-nonascii 'mime)
+ (not (re-search-forward "^MIME-version:" delimline t))
+ (progn (skip-chars-forward "\0-\177")
+ (/= (point) (point-max)))
+ smtpmail-code-conv-from
+ (setq charset
+ (coding-system-get smtpmail-code-conv-from
+ 'mime-charset))
+ (goto-char delimline)
+ (insert "MIME-version: 1.0\n"
+ "Content-type: text/plain; charset="
+ (symbol-name charset)
+ "\nContent-Transfer-Encoding: 8bit\n")))
;; Insert an extra newline if we need it to work around
;; Sun's bug that swallows newlines.
(goto-char (1+ delimline))
;; Find and handle any FCC fields.
(goto-char (point-min))
(if (re-search-forward "^FCC:" delimline t)
- (mail-do-fcc delimline))
+ ;; Force mail-do-fcc to use the encoding of the mail
+ ;; buffer to encode outgoing messages on FCC files.
+ (let ((coding-system-for-write smtpmail-code-conv-from))
+ (mail-do-fcc delimline)))
(if mail-interactive
(with-current-buffer errbuf
(erase-buffer))))
smtpmail-recipient-address-list tembuf))
(error "Sending failed; SMTP protocol error"))
(error "Sending failed; no recipients"))
- (let* ((file-data (concat
- smtpmail-queue-dir
- (concat (time-stamp-yyyy-mm-dd)
- "_" (time-stamp-hh:mm:ss)
- "_"
- (setq smtpmail-queue-counter
- (1+ smtpmail-queue-counter)))))
- (file-elisp (concat file-data ".el"))
+ (let* ((file-data
+ (expand-file-name
+ (format "%s_%i"
+ (format-time-string "%Y-%m-%d_%H:%M:%S")
+ (setq smtpmail-queue-counter
+ (1+ smtpmail-queue-counter)))
+ smtpmail-queue-dir))
+ (file-data (convert-standard-filename file-data))
+ (file-elisp (concat file-data ".el"))
(buffer-data (create-file-buffer file-data))
(buffer-elisp (create-file-buffer file-elisp))
(buffer-scratch "*queue-mail*"))
+ (unless (file-exists-p smtpmail-queue-dir)
+ (make-directory smtpmail-queue-dir t))
(with-current-buffer buffer-data
(erase-buffer)
- (insert-buffer tembuf)
+ (set-buffer-file-coding-system smtpmail-code-conv-from nil t)
+ (insert-buffer-substring tembuf)
(write-file file-data)
(set-buffer buffer-elisp)
(erase-buffer)
(if (bufferp errbuf)
(kill-buffer errbuf)))))
+;;;###autoload
(defun smtpmail-send-queued-mail ()
"Send mail that was queued as a result of setting `smtpmail-queue-mail'."
(interactive)
;;; mail, send it, etc...
(let ((file-msg ""))
(insert-file-contents smtpmail-queue-index)
- (beginning-of-buffer)
+ (goto-char (point-min))
(while (not (eobp))
(setq file-msg (buffer-substring (point) (line-end-position)))
(load file-msg)
(with-temp-buffer
(let ((coding-system-for-read 'no-conversion))
(insert-file-contents file-msg))
- (if (not (null smtpmail-recipient-address-list))
- (if (not (smtpmail-via-smtp smtpmail-recipient-address-list
- (current-buffer)))
- (error "Sending failed; SMTP protocol error"))
- (error "Sending failed; no recipients")))
+ (let ((smtpmail-mail-address
+ (or (and mail-specify-envelope-from (mail-envelope-from))
+ user-mail-address)))
+ (if (not (null smtpmail-recipient-address-list))
+ (if (not (smtpmail-via-smtp smtpmail-recipient-address-list
+ (current-buffer)))
+ (error "Sending failed; SMTP protocol error"))
+ (error "Sending failed; no recipients"))))
(delete-file file-msg)
(delete-file (concat file-msg ".el"))
- (kill-line 1))
+ (delete-region (point-at-bol) (point-at-bol 2)))
(write-region (point-min) (point-max) smtpmail-queue-index))))
;(defun smtpmail-via-smtp (host,port,sender,destination,smtpmail-text-buffer)
(push el2 result)))
(nreverse result)))
+(defvar starttls-extra-args)
+(defvar starttls-extra-arguments)
+
(defun smtpmail-open-stream (process-buffer host port)
(let ((cred (smtpmail-find-credentials
smtpmail-starttls-credentials host port)))
(if (null (and cred (condition-case ()
- (call-process "starttls")
+ (with-no-warnings
+ (require 'starttls)
+ (call-process (if starttls-use-gnutls
+ starttls-gnutls-program
+ starttls-program)))
(error nil))))
;; The normal case.
(open-network-stream "SMTP" process-buffer host port)
(let* ((cred-key (smtpmail-cred-key cred))
(cred-cert (smtpmail-cred-cert cred))
(starttls-extra-args
- (when (and (stringp cred-key) (stringp cred-cert)
- (file-regular-p
- (setq cred-key (expand-file-name cred-key)))
- (file-regular-p
- (setq cred-cert (expand-file-name cred-cert))))
- (list "--key-file" cred-key "--cert-file" cred-cert))))
+ (append
+ starttls-extra-args
+ (when (and (stringp cred-key) (stringp cred-cert)
+ (file-regular-p
+ (setq cred-key (expand-file-name cred-key)))
+ (file-regular-p
+ (setq cred-cert (expand-file-name cred-cert))))
+ (list "--key-file" cred-key "--cert-file" cred-cert))))
+ (starttls-extra-arguments
+ (append
+ starttls-extra-arguments
+ (when (and (stringp cred-key) (stringp cred-cert)
+ (file-regular-p
+ (setq cred-key (expand-file-name cred-key)))
+ (file-regular-p
+ (setq cred-cert (expand-file-name cred-cert))))
+ (list "--x509keyfile" cred-key "--x509certfile" cred-cert)))))
(starttls-open-stream "SMTP" process-buffer host port)))))
(defun smtpmail-try-auth-methods (process supported-extensions host port)
(mech (car (smtpmail-intersection smtpmail-auth-supported mechs)))
(cred (if (stringp smtpmail-auth-credentials)
(let* ((netrc (netrc-parse smtpmail-auth-credentials))
- (hostentry (netrc-machine
- netrc host (format "%s" (or port "smtp"))
- "smtp")))
+ (port-name (format "%s" (or port "smtp")))
+ (hostentry (netrc-machine netrc host port-name
+ port-name)))
(when hostentry
(list host port
(netrc-get hostentry "login")
(smtpmail-cred-server cred)
(smtpmail-cred-port cred))))))
ret)
- (when cred
+ (when (and cred mech)
(cond
((eq mech 'cram-md5)
- (smtpmail-send-command process (format "AUTH %s" mech))
+ (smtpmail-send-command process (upcase (format "AUTH %s" mech)))
(if (or (null (car (setq ret (smtpmail-read-response process))))
(not (integerp (car ret)))
(>= (car ret) 400))
(decoded (base64-decode-string challenge))
(hash (rfc2104-hash 'md5 64 16 passwd decoded))
(response (concat (smtpmail-cred-user cred) " " hash))
- (encoded (base64-encode-string response)))
+ ;; Osamu Yamane <yamane@green.ocn.ne.jp>:
+ ;; SMTP auth fails because the SMTP server identifies
+ ;; only the first part of the string (delimited by
+ ;; new line characters) as a response from the
+ ;; client, and the rest as distinct commands.
+
+ ;; In my case, the response string is 80 characters
+ ;; long. Without the no-line-break option for
+ ;; base64-encode-sting, only the first 76 characters
+ ;; are taken as a response to the server, and the
+ ;; authentication fails.
+ (encoded (base64-encode-string response t)))
(smtpmail-send-command process (format "%s" encoded))
(if (or (null (car (setq ret (smtpmail-read-response process))))
(not (integerp (car ret)))
(>= (car ret) 400))
(throw 'done nil))
(smtpmail-send-command
- process (base64-encode-string (smtpmail-cred-user cred)))
+ process (base64-encode-string (smtpmail-cred-user cred) t))
(if (or (null (car (setq ret (smtpmail-read-response process))))
(not (integerp (car ret)))
(>= (car ret) 400))
(throw 'done nil))
- (smtpmail-send-command process (base64-encode-string passwd))
+ (smtpmail-send-command process (base64-encode-string passwd t))
(if (or (null (car (setq ret (smtpmail-read-response process))))
(not (integerp (car ret)))
(>= (car ret) 400))
(throw 'done nil)))
+ ((eq mech 'plain)
+ ;; We used to send an empty initial request, and wait for an
+ ;; empty response, and then send the password, but this
+ ;; violate a SHOULD in RFC 2222 paragraph 5.1. Note that this
+ ;; is not sent if the server did not advertise AUTH PLAIN in
+ ;; the EHLO response. See RFC 2554 for more info.
+ (smtpmail-send-command process
+ (concat "AUTH PLAIN "
+ (base64-encode-string
+ (concat "\0"
+ (smtpmail-cred-user cred)
+ "\0"
+ passwd) t)))
+ (if (or (null (car (setq ret (smtpmail-read-response process))))
+ (not (integerp (car ret)))
+ (not (equal (car ret) 235)))
+ (throw 'done nil)))
+
(t
- (error "Mechanism %s not implemented" mech)))
+ (error "Mechanism %s not implemented" mech)))
;; Remember the password.
(when (and (not (stringp smtpmail-auth-credentials))
(null (smtpmail-cred-passwd cred)))
(host (or smtpmail-smtp-server
(error "`smtpmail-smtp-server' not defined")))
(port smtpmail-smtp-service)
+ ;; smtpmail-mail-address should be set to the appropriate
+ ;; buffer-local value by the caller, but in case not:
+ (envelope-from (or smtpmail-mail-address
+ (and mail-specify-envelope-from
+ (mail-envelope-from))
+ user-mail-address))
response-code
greeting
process-buffer
;; clear the trace buffer of old output
(with-current-buffer process-buffer
+ (setq buffer-undo-list t)
(erase-buffer))
;; open the connection to the server
(>= (car response-code) 400))
(throw 'done nil)))
(dolist (line (cdr (cdr response-code)))
- (let ((name (mapcar (lambda (s) (intern (downcase s)))
- (split-string (substring line 4) "[ ]"))))
+ (let ((name
+ (with-case-table ascii-case-table
+ (mapcar (lambda (s) (intern (downcase s)))
+ (split-string (substring line 4) "[ ]")))))
(and (eq (length name) 1)
(setq name (car name)))
- (and name
+ (and name
(cond ((memq (if (consp name) (car name) name)
'(verb xvrb 8bitmime onex xone
- expn size dsn etrn
- enhancedstatuscodes
- help xusr
- auth=login auth starttls))
- (setq supported-extensions
- (cons name supported-extensions)))
- (smtpmail-warn-about-unknown-extensions
+ expn size dsn etrn
+ enhancedstatuscodes
+ help xusr
+ auth=login auth starttls))
+ (setq supported-extensions
+ (cons name supported-extensions)))
+ (smtpmail-warn-about-unknown-extensions
(message "Unknown extension %s" name)))))))
(if (and do-starttls
(smtpmail-find-credentials smtpmail-starttls-credentials host port)
(member 'starttls supported-extensions)
- (process-id process))
+ (numberp (process-id process)))
(progn
(smtpmail-send-command process (format "STARTTLS"))
(if (or (null (car (setq response-code (smtpmail-read-response process))))
(>= (car response-code) 400))
(throw 'done nil))))
- ;; MAIL FROM: <sender>
+ ;; MAIL FROM:<sender>
(let ((size-part
(if (or (member 'size supported-extensions)
(assoc 'size supported-extensions))
;; size estimate:
(+ (- (point-max) (point-min))
;; Add one byte for each change-of-line
- ;; because or CR-LF representation:
- (count-lines (point-min) (point-max))
- ;; For some reason, an empty line is
- ;; added to the message. Maybe this
- ;; is a bug, but it can't hurt to add
- ;; those two bytes anyway:
- 2)))
+ ;; because of CR-LF representation:
+ (count-lines (point-min) (point-max)))))
""))
(body-part
(if (member '8bitmime supported-extensions)
"")
"")))
; (smtpmail-send-command process (format "MAIL FROM:%s@%s" (user-login-name) (smtpmail-fqdn)))
- (smtpmail-send-command process (format "MAIL FROM: <%s>%s%s"
- (or mail-envelope-from
- smtpmail-mail-address)
+ (smtpmail-send-command process (format "MAIL FROM:<%s>%s%s"
+ envelope-from
size-part
body-part))
(throw 'done nil)
))
- ;; RCPT TO: <recipient>
+ ;; RCPT TO:<recipient>
(let ((n 0))
(while (not (null (nth n recipient)))
- (smtpmail-send-command process (format "RCPT TO: <%s>" (smtpmail-maybe-append-domain (nth n recipient))))
+ (smtpmail-send-command process (format "RCPT TO:<%s>" (smtpmail-maybe-append-domain (nth n recipient))))
(setq n (1+ n))
(setq response-code (smtpmail-read-response process))
(response-continue t)
(return-value '(nil ()))
match-end)
-
- (while response-continue
- (goto-char smtpmail-read-point)
- (while (not (search-forward "\r\n" nil t))
- (accept-process-output process)
- (goto-char smtpmail-read-point))
-
- (setq match-end (point))
- (setq response-strings
- (cons (buffer-substring smtpmail-read-point (- match-end 2))
- response-strings))
-
- (goto-char smtpmail-read-point)
- (if (looking-at "[0-9]+ ")
- (let ((begin (match-beginning 0))
- (end (match-end 0)))
- (if smtpmail-debug-info
- (message "%s" (car response-strings)))
-
- (setq smtpmail-read-point match-end)
-
- ;; ignore lines that start with "0"
- (if (looking-at "0[0-9]+ ")
- nil
+ (catch 'done
+ (while response-continue
+ (goto-char smtpmail-read-point)
+ (while (not (search-forward "\r\n" nil t))
+ (unless (memq (process-status process) '(open run))
+ (throw 'done nil))
+ (accept-process-output process)
+ (goto-char smtpmail-read-point))
+
+ (setq match-end (point))
+ (setq response-strings
+ (cons (buffer-substring smtpmail-read-point (- match-end 2))
+ response-strings))
+
+ (goto-char smtpmail-read-point)
+ (if (looking-at "[0-9]+ ")
+ (let ((begin (match-beginning 0))
+ (end (match-end 0)))
+ (if smtpmail-debug-info
+ (message "%s" (car response-strings)))
+
+ (setq smtpmail-read-point match-end)
+
+ ;; ignore lines that start with "0"
+ (if (looking-at "0[0-9]+ ")
+ nil
+ (setq response-continue nil)
+ (setq return-value
+ (cons (string-to-number
+ (buffer-substring begin end))
+ (nreverse response-strings)))))
+
+ (if (looking-at "[0-9]+-")
+ (progn (if smtpmail-debug-info
+ (message "%s" (car response-strings)))
+ (setq smtpmail-read-point match-end)
+ (setq response-continue t))
+ (progn
+ (setq smtpmail-read-point match-end)
(setq response-continue nil)
(setq return-value
- (cons (string-to-int
- (buffer-substring begin end))
- (nreverse response-strings)))))
-
- (if (looking-at "[0-9]+-")
- (progn (if smtpmail-debug-info
- (message "%s" (car response-strings)))
- (setq smtpmail-read-point match-end)
- (setq response-continue t))
- (progn
- (setq smtpmail-read-point match-end)
- (setq response-continue nil)
- (setq return-value
- (cons nil (nreverse response-strings)))
- )
- )))
- (setq smtpmail-read-point match-end)
+ (cons nil (nreverse response-strings)))))))
+ (setq smtpmail-read-point match-end))
return-value))
)
(defun smtpmail-send-data (process buffer)
- (let
- ((data-continue t)
- (sending-data nil)
- this-line
- this-line-end)
-
+ (let ((data-continue t) sending-data)
(with-current-buffer buffer
(goto-char (point-min)))
-
(while data-continue
(with-current-buffer buffer
- (beginning-of-line)
- (setq this-line (point))
- (end-of-line)
- (setq this-line-end (point))
- (setq sending-data nil)
- (setq sending-data (buffer-substring this-line this-line-end))
- (if (/= (forward-line 1) 0)
- (setq data-continue nil)))
-
- (smtpmail-send-data-1 process sending-data)
- )
- )
- )
-
+ (setq sending-data (buffer-substring (point-at-bol) (point-at-eol)))
+ (end-of-line 2)
+ (setq data-continue (not (eobp))))
+ (smtpmail-send-data-1 process sending-data))))
(defun smtpmail-deduce-address-list (smtpmail-text-buffer header-start header-end)
"Get address list suitable for smtp RCPT TO: <address>."
(provide 'smtpmail)
+;;; arch-tag: a76992df-6d71-43b7-9e72-4bacc6c05466
;;; smtpmail.el ends here