;;; spam.el --- Identifying spam
-;; Copyright (C) 2002 Free Software Foundation, Inc.
+;; Copyright (C) 2002, 2003 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: network
(require 'gnus) ; for the definitions of group content classification and spam processors
(require 'message) ;for the message-fetch-field functions
+;; for nnimap-split-download-body-default
+(eval-when-compile (require 'nnimap))
+
;; autoload executable-find
(eval-and-compile
;; executable-find is not autoloaded in Emacs 20
to the spam-process-destination. When t, spam will also be moved from
spam groups."
:type 'boolean
- :group 'spam-ifile)
+ :group 'spam)
+
+(defcustom spam-mark-ham-unread-before-move-from-spam-group nil
+ "Whether ham should be marked unread before it's moved out of a spam
+group according to ham-process-destination. This variable is an
+official entry in the international Longest Variable Name
+Competition."
+ :type 'boolean
+ :group 'spam)
(defcustom spam-whitelist (expand-file-name "whitelist" spam-directory)
"The location of the whitelist.
:type 'boolean
:group 'spam)
+(defcustom spam-use-whitelist-exclusive nil
+ "Whether whitelist-exclusive should be used by spam-split.
+Exclusive whitelisting means that all messages from senders not in the whitelist
+are considered spam."
+ :type 'boolean
+ :group 'spam)
+
(defcustom spam-use-blackholes nil
"Whether blackholes should be used by spam-split."
:type 'boolean
:group 'spam)
+(defcustom spam-use-hashcash nil
+ "Whether hashcash payments should be detected by spam-split."
+ :type 'boolean
+ :group 'spam)
+
(defcustom spam-use-regex-headers nil
"Whether a header regular expression match should be used by spam-split.
Also see the variable `spam-spam-regex-headers' and `spam-ham-regex-headers'."
:type 'boolean
:group 'spam)
+(defcustom spam-use-BBDB-exclusive nil
+ "Whether BBDB-exclusive should be used by spam-split.
+Exclusive BBDB means that all messages from senders not in the BBDB are
+considered spam."
+ :type 'boolean
+ :group 'spam)
+
(defcustom spam-use-ifile nil
"Whether ifile should be used by spam-split."
:type 'boolean
:type '(repeat (string :tag "Server"))
:group 'spam)
-(defcustom spam-ham-marks (list 'gnus-del-mark 'gnus-read-mark
- 'gnus-killed-mark 'gnus-kill-file-mark
- 'gnus-low-score-mark)
- "Marks considered as being ham (positively not spam).
-Such articles will be processed as ham (non-spam) on group exit."
- :type '(set
- (variable-item gnus-del-mark)
- (variable-item gnus-read-mark)
- (variable-item gnus-killed-mark)
- (variable-item gnus-kill-file-mark)
- (variable-item gnus-low-score-mark))
- :group 'spam)
-
-(defcustom spam-spam-marks (list 'gnus-spam-mark)
- "Marks considered as being spam (positively spam).
-Such articles will be transmitted to `bogofilter -s' on group exit."
- :type '(set
- (variable-item gnus-spam-mark)
- (variable-item gnus-killed-mark)
- (variable-item gnus-kill-file-mark)
- (variable-item gnus-low-score-mark))
+(defcustom spam-blackhole-good-server-regex nil
+ "String matching IP addresses that should not be checked in the blackholes"
+ :type 'regexp
:group 'spam)
(defcustom spam-face 'gnus-splash-face
:type 'string
:group 'spam-bogofilter)
+(defcustom spam-bogofilter-spam-switch "-s"
+ "The switch that Bogofilter uses to register spam messages."
+ :type 'string
+ :group 'spam-bogofilter)
+
+(defcustom spam-bogofilter-ham-switch "-n"
+ "The switch that Bogofilter uses to register ham messages."
+ :type 'string
+ :group 'spam-bogofilter)
+
+(defcustom spam-bogofilter-bogosity-positive-spam-header "^\\(Yes\\|Spam\\)"
+ "The regex on `spam-bogofilter-header' for positive spam identification."
+ :type 'regexp
+ :group 'spam-bogofilter)
+
(defcustom spam-bogofilter-database-directory nil
"Directory path of the Bogofilter databases."
:type '(choice (directory :tag "Location of the Bogofilter database directory")
gnus-summary-highlight)
;; convenience functions
+(defun spam-group-ham-mark-p (group mark &optional spam)
+ (when (stringp group)
+ (let* ((marks (spam-group-ham-marks group spam))
+ (marks (if (symbolp mark)
+ marks
+ (mapcar 'symbol-value marks))))
+ (memq mark marks))))
+
+(defun spam-group-spam-mark-p (group mark)
+ (spam-group-ham-mark-p group mark t))
+
+(defun spam-group-ham-marks (group &optional spam)
+ (when (stringp group)
+ (let* ((marks (if spam
+ (gnus-parameter-spam-marks group)
+ (gnus-parameter-ham-marks group)))
+ (marks (car marks))
+ (marks (if (listp (car marks)) (car marks) marks)))
+ marks)))
+
+(defun spam-group-spam-marks (group)
+ (spam-group-ham-marks group t))
+
(defun spam-group-spam-contents-p (group)
(if (stringp group)
(or (member group spam-junk-mailgroups)
(defun spam-group-ham-processor-BBDB-p (group)
(spam-group-processor-p group 'gnus-group-ham-exit-processor-BBDB))
+(defun spam-group-ham-processor-copy-p (group)
+ (spam-group-processor-p group 'gnus-group-ham-exit-processor-copy))
+
;;; Summary entry and exit processing.
(defun spam-summary-prepare ()
(add-hook 'gnus-summary-prepare-hook 'spam-summary-prepare)
+;; The spam processors are invoked for any group, spam or ham or neither
(defun spam-summary-prepare-exit ()
- ;; The spam processors are invoked for any group, spam or ham or neither
- (gnus-message 6 "Exiting summary buffer and applying spam rules")
- (when (and spam-bogofilter-path
- (spam-group-spam-processor-bogofilter-p gnus-newsgroup-name))
- (gnus-message 5 "Registering spam with bogofilter")
- (spam-bogofilter-register-spam-routine))
+ (unless gnus-group-is-exiting-without-update-p
+ (gnus-message 6 "Exiting summary buffer and applying spam rules")
+ (when (and spam-bogofilter-path
+ (spam-group-spam-processor-bogofilter-p gnus-newsgroup-name))
+ (gnus-message 5 "Registering spam with bogofilter")
+ (spam-bogofilter-register-spam-routine))
- (when (and spam-ifile-path
- (spam-group-spam-processor-ifile-p gnus-newsgroup-name))
- (gnus-message 5 "Registering spam with ifile")
- (spam-ifile-register-spam-routine))
+ (when (and spam-ifile-path
+ (spam-group-spam-processor-ifile-p gnus-newsgroup-name))
+ (gnus-message 5 "Registering spam with ifile")
+ (spam-ifile-register-spam-routine))
- (when (spam-group-spam-processor-stat-p gnus-newsgroup-name)
- (gnus-message 5 "Registering spam with spam-stat")
- (spam-stat-register-spam-routine))
-
- (when (spam-group-spam-processor-blacklist-p gnus-newsgroup-name)
- (gnus-message 5 "Registering spam with the blacklist")
- (spam-blacklist-register-routine))
-
- (if spam-move-spam-nonspam-groups-only
- (when (not (spam-group-spam-contents-p gnus-newsgroup-name))
- (spam-mark-spam-as-expired-and-move-routine
- (gnus-parameter-spam-process-destination gnus-newsgroup-name)))
- (gnus-message 5 "Marking spam as expired and moving it")
- (spam-mark-spam-as-expired-and-move-routine
- (gnus-parameter-spam-process-destination gnus-newsgroup-name)))
-
- ;; now we redo spam-mark-spam-as-expired-and-move-routine to only
- ;; expire spam, in case the above did not expire them
- (spam-mark-spam-as-expired-and-move-routine nil)
-
- (when (spam-group-ham-contents-p gnus-newsgroup-name)
- (when (spam-group-ham-processor-whitelist-p gnus-newsgroup-name)
- (gnus-message 5 "Registering ham with the whitelist")
- (spam-whitelist-register-routine))
- (when (spam-group-ham-processor-ifile-p gnus-newsgroup-name)
- (gnus-message 5 "Registering ham with ifile")
- (spam-ifile-register-ham-routine))
- (when (spam-group-ham-processor-bogofilter-p gnus-newsgroup-name)
- (gnus-message 5 "Registering ham with Bogofilter")
- (spam-bogofilter-register-ham-routine))
- (when (spam-group-ham-processor-stat-p gnus-newsgroup-name)
- (gnus-message 5 "Registering ham with spam-stat")
- (spam-stat-register-ham-routine))
- (when (spam-group-ham-processor-BBDB-p gnus-newsgroup-name)
- (gnus-message 5 "Registering ham with the BBDB")
- (spam-BBDB-register-routine)))
-
- ;; now move all ham articles out of spam groups
- (when (spam-group-spam-contents-p gnus-newsgroup-name)
- (gnus-message 5 "Moving ham messages from spam group")
- (spam-ham-move-routine
- (gnus-parameter-ham-process-destination gnus-newsgroup-name))))
+ (when (spam-group-spam-processor-stat-p gnus-newsgroup-name)
+ (gnus-message 5 "Registering spam with spam-stat")
+ (spam-stat-register-spam-routine))
+
+ (when (spam-group-spam-processor-blacklist-p gnus-newsgroup-name)
+ (gnus-message 5 "Registering spam with the blacklist")
+ (spam-blacklist-register-routine))
+
+ (if spam-move-spam-nonspam-groups-only
+ (when (not (spam-group-spam-contents-p gnus-newsgroup-name))
+ (spam-mark-spam-as-expired-and-move-routine
+ (gnus-parameter-spam-process-destination gnus-newsgroup-name)))
+ (gnus-message 5 "Marking spam as expired and moving it to %s" gnus-newsgroup-name)
+ (spam-mark-spam-as-expired-and-move-routine
+ (gnus-parameter-spam-process-destination gnus-newsgroup-name)))
+
+ ;; now we redo spam-mark-spam-as-expired-and-move-routine to only
+ ;; expire spam, in case the above did not expire them
+ (gnus-message 5 "Marking spam as expired without moving it")
+ (spam-mark-spam-as-expired-and-move-routine nil)
+
+ (when (spam-group-ham-contents-p gnus-newsgroup-name)
+ (when (spam-group-ham-processor-whitelist-p gnus-newsgroup-name)
+ (gnus-message 5 "Registering ham with the whitelist")
+ (spam-whitelist-register-routine))
+ (when (spam-group-ham-processor-ifile-p gnus-newsgroup-name)
+ (gnus-message 5 "Registering ham with ifile")
+ (spam-ifile-register-ham-routine))
+ (when (spam-group-ham-processor-bogofilter-p gnus-newsgroup-name)
+ (gnus-message 5 "Registering ham with Bogofilter")
+ (spam-bogofilter-register-ham-routine))
+ (when (spam-group-ham-processor-stat-p gnus-newsgroup-name)
+ (gnus-message 5 "Registering ham with spam-stat")
+ (spam-stat-register-ham-routine))
+ (when (spam-group-ham-processor-BBDB-p gnus-newsgroup-name)
+ (gnus-message 5 "Registering ham with the BBDB")
+ (spam-BBDB-register-routine)))
+
+ (when (spam-group-ham-processor-copy-p gnus-newsgroup-name)
+ (gnus-message 5 "Copying ham")
+ (spam-ham-move-routine
+ (gnus-parameter-ham-process-destination gnus-newsgroup-name) t))
+
+ ;; now move all ham articles out of spam groups
+ (when (spam-group-spam-contents-p gnus-newsgroup-name)
+ (gnus-message 5 "Moving ham messages from spam group")
+ (spam-ham-move-routine
+ (gnus-parameter-ham-process-destination gnus-newsgroup-name)))))
(add-hook 'gnus-summary-prepare-exit-hook 'spam-summary-prepare-exit)
(gnus-summary-mark-article article gnus-spam-mark))))))
(defun spam-mark-spam-as-expired-and-move-routine (&optional group)
+ (gnus-summary-kill-process-mark)
(let ((articles gnus-newsgroup-articles)
- article)
- (while articles
- (setq article (pop articles))
+ article tomove)
+ (dolist (article articles)
(when (eq (gnus-summary-article-mark article) gnus-spam-mark)
(gnus-summary-mark-article article gnus-expirable-mark)
- (when (stringp group)
- (let ((gnus-current-article article))
- (gnus-summary-move-article nil group)))))))
+ (push article tomove)))
+
+ ;; now do the actual move
+ (when (and tomove
+ (stringp group))
+ (dolist (article tomove)
+ (gnus-summary-set-process-mark article))
+ (when tomove (gnus-summary-move-article nil group))))
+ (gnus-summary-yank-process-mark))
-(defun spam-ham-move-routine (&optional group)
+(defun spam-ham-move-routine (&optional group copy)
+ (gnus-summary-kill-process-mark)
(let ((articles gnus-newsgroup-articles)
- article ham-mark-values mark)
- (dolist (mark spam-ham-marks)
- (push (symbol-value mark) ham-mark-values))
-
- (while articles
- (setq article (pop articles))
- (when (and (memq mark ham-mark-values)
- (stringp group))
- (let ((gnus-current-article article))
- (gnus-summary-move-article nil group))))))
+ article mark tomove)
+ (when (stringp group) ; this routine will do nothing
+ ; without a valid group
+ (dolist (article articles)
+ (when (spam-group-ham-mark-p gnus-newsgroup-name
+ (gnus-summary-article-mark article))
+ (push article tomove)))
+
+ ;; now do the actual move
+ (when tomove
+ (dolist (article tomove)
+ (when spam-mark-ham-unread-before-move-from-spam-group
+ (gnus-summary-mark-article article gnus-unread-mark))
+ (gnus-summary-set-process-mark article))
+ (if copy
+ (gnus-summary-copy-article nil group)
+ (gnus-summary-move-article nil group)))))
+ (gnus-summary-yank-process-mark))
(defun spam-generic-register-routine (spam-func ham-func)
(let ((articles gnus-newsgroup-articles)
- article mark ham-articles spam-articles spam-mark-values
- ham-mark-values)
-
- ;; marks are stored as symbolic values, so we have to dereference
- ;; them for memq to work. we wouldn't have to do this if
- ;; gnus-summary-article-mark returned a symbol.
- (dolist (mark spam-ham-marks)
- (push (symbol-value mark) ham-mark-values))
-
- (dolist (mark spam-spam-marks)
- (push (symbol-value mark) spam-mark-values))
+ article mark ham-articles spam-articles)
(while articles
(setq article (pop articles)
mark (gnus-summary-article-mark article))
- (cond ((memq mark spam-mark-values) (push article spam-articles))
+ (cond ((spam-group-spam-mark-p gnus-newsgroup-name mark)
+ (push article spam-articles))
((memq article gnus-newsgroup-saved))
- ((memq mark ham-mark-values) (push article ham-articles))))
+ ((spam-group-ham-mark-p gnus-newsgroup-name mark)
+ (push article ham-articles))))
+
(when (and ham-articles ham-func)
(mapc ham-func ham-articles)) ; we use mapc because unlike
; mapcar it discards the
(setq article-buffer (get-buffer gnus-article-buffer))))
article-buffer))
-(defun spam-get-article-as-filename (article)
- (let ((article-filename))
- (when (numberp article)
- (nnml-possibly-change-directory (gnus-group-real-name gnus-newsgroup-name))
- (setq article-filename (expand-file-name (int-to-string article) nnml-current-directory)))
- (if (file-exists-p article-filename)
- article-filename
- nil)))
+;; disabled for now
+;; (defun spam-get-article-as-filename (article)
+;; (let ((article-filename))
+;; (when (numberp article)
+;; (nnml-possibly-change-directory (gnus-group-real-name gnus-newsgroup-name))
+;; (setq article-filename (expand-file-name (int-to-string article) nnml-current-directory)))
+;; (if (file-exists-p article-filename)
+;; article-filename
+;; nil)))
(defun spam-fetch-field-from-fast (article)
"Fetch the `from' field quickly, using the internal gnus-data-list function"
(spam-use-ifile . spam-check-ifile)
(spam-use-stat . spam-check-stat)
(spam-use-blackholes . spam-check-blackholes)
+ (spam-use-hashcash . spam-check-hashcash)
(spam-use-bogofilter-headers . spam-check-bogofilter-headers)
(spam-use-bogofilter . spam-check-bogofilter))
"The spam-list-of-checks list contains pairs associating a parameter
variable with a spam checking function. If the parameter variable is
true, then the checking function is called, and its value decides what
-happens. Each individual check may return `nil', `t', or a mailgroup
-name. The value `nil' means that the check does not yield a decision,
-and so, that further checks are needed. The value `t' means that the
+happens. Each individual check may return nil, t, or a mailgroup
+name. The value nil means that the check does not yield a decision,
+and so, that further checks are needed. The value t means that the
message is definitely not spam, and that further spam checks should be
inhibited. Otherwise, a mailgroup name is returned where the mail
should go, and further checks are also inhibited. The usual mailgroup
name is the value of `spam-split-group', meaning that the message is
definitely a spam.")
+(defvar spam-list-of-statistical-checks
+ '(spam-use-ifile spam-use-stat spam-use-bogofilter)
+"The spam-list-of-statistical-checks list contains all the mail
+splitters that need to have the full message body available.")
+
(defun spam-split ()
"Split this message into the `spam' group if it is spam.
This function can be used as an entry in `nnmail-split-fancy', for
See the Info node `(gnus)Fancy Mail Splitting' for more details."
(interactive)
+ (save-excursion
+ (save-restriction
+ (dolist (check spam-list-of-statistical-checks)
+ (when (symbol-value check)
+ (widen)
+ (gnus-message 8 "spam-split: widening the buffer (%s requires it)"
+ (symbol-name check))
+ (return)))
+ ;; (progn (widen) (debug (buffer-string)))
+ (let ((list-of-checks spam-list-of-checks)
+ decision)
+ (while (and list-of-checks (not decision))
+ (let ((pair (pop list-of-checks)))
+ (when (symbol-value (car pair))
+ (gnus-message 5 "spam-split: calling the %s function" (symbol-name (cdr pair)))
+ (setq decision (funcall (cdr pair))))))
+ (if (eq decision t)
+ nil
+ decision)))))
- ;; load the spam-stat tables if needed
- (when spam-use-stat (spam-stat-load))
-
- (let ((list-of-checks spam-list-of-checks)
- decision)
- (while (and list-of-checks (not decision))
- (let ((pair (pop list-of-checks)))
- (when (symbol-value (car pair))
- (gnus-message 5 "spam-split: calling the %s function" (symbol-name (cdr pair)))
- (setq decision (funcall (cdr pair))))))
- (if (eq decision t)
- nil
- decision)))
+(defun spam-setup-widening ()
+ (dolist (check spam-list-of-statistical-checks)
+ (when (symbol-value check)
+ (setq nnimap-split-download-body-default t))))
+
+(add-hook 'gnus-get-new-news-hook 'spam-setup-widening)
+
\f
;;;; Regex headers
ips)))
(dolist (server spam-blackhole-servers)
(dolist (ip ips)
- (let ((query-string (concat ip "." server)))
- (if spam-use-dig
- (let ((query-result (query-dig query-string)))
- (when query-result
- (gnus-message 5 "spam (DIG): positive blackhole check '%s'" query-result)
- (push (list ip server query-result)
- matches)))
- ;; else, if not using dig.el
- (when (query-dns query-string)
- (gnus-message 5 "spam: positive blackhole check '%s'" query-result)
- (push (list ip server (query-dns query-string 'TXT))
- matches)))))))
+ (unless (and spam-blackhole-good-server-regex
+ (string-match spam-blackhole-good-server-regex ip))
+ (let ((query-string (concat ip "." server)))
+ (if spam-use-dig
+ (let ((query-result (query-dig query-string)))
+ (when query-result
+ (gnus-message 5 "(DIG): positive blackhole check '%s'"
+ query-result)
+ (push (list ip server query-result)
+ matches)))
+ ;; else, if not using dig.el
+ (when (query-dns query-string)
+ (gnus-message 5 "positive blackhole check")
+ (push (list ip server (query-dns query-string 'TXT))
+ matches))))))))
(when matches
spam-split-group)))
\f
+;;;; Hashcash.
+
+(condition-case nil
+ (progn
+ (require 'hashcash)
+
+ (defun spam-check-hashcash ()
+ "Check the headers for hashcash payments."
+ (mail-check-payment))) ;mail-check-payment returns a boolean
+
+ (file-error (progn
+ (defalias 'mail-check-payment 'ignore)
+ (defalias 'spam-check-hashcash 'ignore))))
+\f
;;;; BBDB
;;; original idea for spam-check-BBDB from Alexander Kotelnikov
(spam-enter-ham-BBDB (spam-fetch-field-from-fast article)))))
(defun spam-check-BBDB ()
- "Mail from people in the BBDB is never considered spam"
+ "Mail from people in the BBDB is classified as ham or non-spam"
(let ((who (message-fetch-field "from")))
(when who
- (setq who (regexp-quote (cadr
- (gnus-extract-address-components who))))
+ (setq who (cadr (gnus-extract-address-components who)))
(if (bbdb-search-simple nil who)
- nil spam-split-group)))))
+ t
+ (if spam-use-BBDB-exclusive
+ spam-split-group
+ nil))))))
(file-error (progn
(defalias 'bbdb-search-simple 'ignore)
(let ((category (or category gnus-newsgroup-name))
(db-param (spam-get-ifile-database-parameter)))
(with-temp-buffer
- (insert-string article-string)
+ (insert article-string)
(if db-param
(call-process-region (point-min) (point-max) spam-ifile-path
nil nil nil
(lambda (article)
(let ((article-string (spam-get-article-as-string article)))
(with-temp-buffer
- (insert-string article-string)
+ (insert article-string)
(spam-stat-buffer-is-spam))))
- nil)
- (spam-stat-save))
+ nil))
(defun spam-stat-register-ham-routine ()
(spam-generic-register-routine
(lambda (article)
(let ((article-string (spam-get-article-as-string article)))
(with-temp-buffer
- (insert-string article-string)
- (spam-stat-buffer-is-non-spam)))))
- (spam-stat-save)))
+ (insert article-string)
+ (spam-stat-buffer-is-non-spam))))))
+
+ (defun spam-maybe-spam-stat-load ()
+ (when spam-use-stat (spam-stat-load)))
+
+ (defun spam-maybe-spam-stat-save ()
+ (when spam-use-stat (spam-stat-save)))
+
+ ;; Add hooks for loading and saving the spam stats
+ (add-hook 'gnus-save-newsrc-hook 'spam-maybe-spam-stat-save)
+ (add-hook 'gnus-get-top-new-news-hook 'spam-maybe-spam-stat-load)
+ (add-hook 'gnus-startup-hook 'spam-maybe-spam-stat-load))
(file-error (progn
(defalias 'spam-stat-register-ham-routine 'ignore)
(insert address "\n")
(save-buffer)))
-;;; returns nil if the sender is in the whitelist, spam-split-group otherwise
+;;; returns t if the sender is in the whitelist, nil or spam-split-group otherwise
(defun spam-check-whitelist ()
;; FIXME! Should it detect when file timestamps change?
(unless spam-whitelist-cache
(setq spam-whitelist-cache (spam-parse-list spam-whitelist)))
- (if (spam-from-listed-p spam-whitelist-cache) nil spam-split-group))
+ (if (spam-from-listed-p spam-whitelist-cache)
+ t
+ (if spam-use-whitelist-exclusive
+ spam-split-group
+ nil)))
(defun spam-check-blacklist ()
;; FIXME! Should it detect when file timestamps change?
(defun spam-check-bogofilter-headers (&optional score)
(let ((header (message-fetch-field spam-bogofilter-header)))
(when (and header
- (string-match "^Yes" header))
+ (string-match spam-bogofilter-bogosity-positive-spam-header
+ header))
(if score
(when (string-match "spamicity=\\([0-9.]+\\)" header)
(match-string 1 header))
spam-split-group))))
-
;; return something sensible if the score can't be determined
(defun spam-bogofilter-score ()
(save-window-excursion
(gnus-summary-show-article t)
(set-buffer gnus-article-buffer)
- (let ((score (spam-check-bogofilter t)))
+ (let ((score (or (spam-check-bogofilter-headers t)
+ (spam-check-bogofilter t))))
(message "Spamicity score %s" score)
(or score "0"))))
(defun spam-bogofilter-register-with-bogofilter (article-string spam)
"Register an article, given as a string, as spam or non-spam."
(when (stringp article-string)
- (let ((switch (if spam "-s" "-n")))
+ (let ((switch (if spam spam-bogofilter-spam-switch
+ spam-bogofilter-ham-switch)))
(with-temp-buffer
- (insert-string article-string)
+ (insert article-string)
(if spam-bogofilter-database-directory
(call-process-region (point-min) (point-max)
spam-bogofilter-path
projects / gnus / blobdiff