; Merge from origin/emacs-25
[emacs.git] / lisp / obsolete / mailpost.el
blobbcd468c2b06389f96db8d22db904d0c8e490fa2a
1 ;;; mailpost.el --- RMAIL coupler to /usr/uci/post mailer
3 ;; This is in the public domain
4 ;; since Delp distributed it in 1986 without a copyright notice.
6 ;; This file is part of GNU Emacs.
8 ;; Author: Gary Delp <delp@huey.Udel.Edu>
9 ;; Maintainer: emacs-devel@gnu.org
10 ;; Created: 13 Jan 1986
11 ;; Keywords: mail
12 ;; Obsolete-since: 24.3
14 ;;; Commentary:
16 ;; Yet another mail interface. this for the rmail system to provide
17 ;; the missing sendmail interface on systems without /usr/lib/sendmail,
18 ;; but with /usr/uci/post.
20 ;;; Code:
22 (require 'mailalias)
23 (require 'sendmail)
25 ;; (setq send-mail-function 'post-mail-send-it)
27 (defun post-mail-send-it ()
28 "The MH -post interface for `rmail-mail' to call.
29 To use it, include \"(setq send-mail-function 'post-mail-send-it)\" in
30 site-init."
31 (let ((errbuf (if mail-interactive
32 (generate-new-buffer " post-mail errors")
33 0))
34 temfile
35 (tembuf (generate-new-buffer " post-mail temp"))
36 (case-fold-search nil)
37 delimline
38 (mailbuf (current-buffer)))
39 (unwind-protect
40 (with-current-buffer tembuf
41 (erase-buffer)
42 (insert-buffer-substring mailbuf)
43 (goto-char (point-max))
44 ;; require one newline at the end.
45 (or (= (preceding-char) ?\n)
46 (insert ?\n))
47 ;; Change header-delimiter to be what post-mail expects.
48 (mail-sendmail-undelimit-header)
49 (setq delimline (point-marker))
50 (if mail-aliases
51 (expand-mail-aliases (point-min) delimline))
52 (goto-char (point-min))
53 ;; ignore any blank lines in the header
54 (while (and (re-search-forward "\n\n\n*" delimline t)
55 (< (point) delimline))
56 (replace-match "\n"))
57 ;; Find and handle any FCC fields.
58 (let ((case-fold-search t))
59 (goto-char (point-min))
60 (if (re-search-forward "^FCC:" delimline t)
61 (mail-do-fcc delimline))
62 ;; If there is a From and no Sender, put it a Sender.
63 (goto-char (point-min))
64 (and (re-search-forward "^From:" delimline t)
65 (not (save-excursion
66 (goto-char (point-min))
67 (re-search-forward "^Sender:" delimline t)))
68 (progn
69 (forward-line 1)
70 (insert "Sender: " (user-login-name) "\n")))
71 ;; don't send out a blank subject line
72 (goto-char (point-min))
73 (if (re-search-forward "^Subject:[ \t]*\n" delimline t)
74 (replace-match ""))
75 (if mail-interactive
76 (with-current-buffer errbuf
77 (erase-buffer))))
78 (with-file-modes 384 (setq temfile (make-temp-file ",rpost")))
79 (apply 'call-process
80 (append (list (if (boundp 'post-mail-program)
81 post-mail-program
82 "/usr/uci/lib/mh/post")
83 nil errbuf nil
84 "-nofilter" "-msgid")
85 (if mail-interactive '("-watch") '("-nowatch"))
86 (list temfile)))
87 (if mail-interactive
88 (with-current-buffer errbuf
89 (goto-char (point-min))
90 (while (re-search-forward "\n\n* *" nil t)
91 (replace-match "; "))
92 (if (not (zerop (buffer-size)))
93 (error "Sending...failed to %s"
94 (buffer-substring (point-min) (point-max)))))))
95 (kill-buffer tembuf)
96 (if (bufferp errbuf)
97 (switch-to-buffer errbuf)))))
99 (provide 'mailpost)
101 ;;; mailpost.el ends here