- (format "Group %s is repeated in headers. Really post? " error)))))
- ;; Check the From header.
- (message-check 'from
- (let* ((case-fold-search t)
- (from (message-fetch-field "from"))
- ad)
- (cond
- ((not from)
- (message "There is no From line. Posting is denied.")
- nil)
- ((or (not (string-match
- "@[^\\.]*\\."
- (setq ad (nth 1 (mail-extract-address-components
- from))))) ;larsi@ifi
- (string-match "\\.\\." ad) ;larsi@ifi..uio
- (string-match "@\\." ad) ;larsi@.ifi.uio
- (string-match "\\.$" ad) ;larsi@ifi.uio.
- (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
- (string-match "(.*).*(.*)" from)) ;(lars) (lars)
- (message
- "Denied posting -- the From looks strange: \"%s\"." from)
- nil)
- (t t))))))
+ (format
+ "Really post to %s unknown group%s: %s? "
+ (if (= (length errors) 1) "this" "these")
+ (if (= (length errors) 1) "" "s")
+ (mapconcat 'identity errors ", ")))))))
+ ;; Check the Newsgroups & Followup-To headers for syntax errors.
+ (message-check 'valid-newsgroups
+ (let ((case-fold-search t)
+ (headers '("Newsgroups" "Followup-To"))
+ header error)
+ (while (and headers (not error))
+ (when (setq header (mail-fetch-field (car headers)))
+ (if (or
+ (not
+ (string-match
+ "\\`\\([-+_&.a-zA-Z0-9]+\\)?\\(,[-+_&.a-zA-Z0-9]+\\)*\\'"
+ header))
+ (memq
+ nil (mapcar
+ (lambda (g)
+ (not (string-match "\\.\\'\\|\\.\\." g)))
+ (message-tokenize-header header ","))))
+ (setq error t)))
+ (unless error
+ (pop headers)))
+ (if (not error)
+ t
+ (y-or-n-p
+ (format "The %s header looks odd: \"%s\". Really post? "
+ (car headers) header)))))
+ (message-check 'repeated-newsgroups
+ (let ((case-fold-search t)
+ (headers '("Newsgroups" "Followup-To"))
+ header error groups group)
+ (while (and headers
+ (not error))
+ (when (setq header (mail-fetch-field (pop headers)))
+ (setq groups (message-tokenize-header header ","))
+ (while (setq group (pop groups))
+ (when (member group groups)
+ (setq error group
+ groups nil)))))
+ (if (not error)
+ t
+ (y-or-n-p
+ (format "Group %s is repeated in headers. Really post? " error)))))
+ ;; Check the From header.
+ (message-check 'from
+ (let* ((case-fold-search t)
+ (from (message-fetch-field "from"))
+ ad)
+ (cond
+ ((not from)
+ (message "There is no From line. Posting is denied.")
+ nil)
+ ((or (not (string-match
+ "@[^\\.]*\\."
+ (setq ad (nth 1 (mail-extract-address-components
+ from))))) ;larsi@ifi
+ (string-match "\\.\\." ad) ;larsi@ifi..uio
+ (string-match "@\\." ad) ;larsi@.ifi.uio
+ (string-match "\\.$" ad) ;larsi@ifi.uio.
+ (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
+ (string-match "(.*).*(.*)" from)) ;(lars) (lars)
+ (message
+ "Denied posting -- the From looks strange: \"%s\"." from)
+ nil)
+ (t t))))
+ ;; Check the Reply-To header.
+ (message-check 'reply-to
+ (let* ((case-fold-search t)
+ (reply-to (message-fetch-field "reply-to"))
+ ad)
+ (cond
+ ((not reply-to)
+ t)
+ ((string-match "," reply-to)
+ (y-or-n-p
+ (format "Multiple Reply-To addresses: \"%s\". Really post? "
+ reply-to)))
+ ((or (not (string-match
+ "@[^\\.]*\\."
+ (setq ad (nth 1 (mail-extract-address-components
+ reply-to))))) ;larsi@ifi
+ (string-match "\\.\\." ad) ;larsi@ifi..uio
+ (string-match "@\\." ad) ;larsi@.ifi.uio
+ (string-match "\\.$" ad) ;larsi@ifi.uio.
+ (not (string-match "^[^@]+@[^@]+$" ad)) ;larsi.ifi.uio
+ (string-match "(.*).*(.*)" reply-to)) ;(lars) (lars)
+ (y-or-n-p
+ (format
+ "The Reply-To looks strange: \"%s\". Really post? "
+ reply-to)))
+ (t t))))))