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93 lines
2.8 KiB
EmacsLisp
93 lines
2.8 KiB
EmacsLisp
;;
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;; P O S T . E L
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;;
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;; Yet another mail interface. this for the rmail system to provide
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;; the missing sendmail interface on systems without /usr/lib/sendmail,
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;; but with /usr/uci/post.
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;;
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;; created by: Gary Delp <delp at huey.Udel.Edu>
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;; Mon Jan 13 14:45:12 1986
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;;
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;;
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;; (setq send-mail-function 'post-mail-send-it)
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(defun post-mail-send-it ()
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"\
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the MH -post interface for rmail-mail to call.
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to use it, include (setq send-mail-function 'post-mail-send-it) in site-init."
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(let ((errbuf (if mail-interactive
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(generate-new-buffer " post-mail errors")
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0))
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(temfile "/tmp/,rpost")
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(tembuf (generate-new-buffer " post-mail temp"))
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(case-fold-search nil)
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delimline
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(mailbuf (current-buffer)))
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(unwind-protect
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(save-excursion
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(set-buffer tembuf)
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(erase-buffer)
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(insert-buffer-substring mailbuf)
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(goto-char (point-max))
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;; require one newline at the end.
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(or (= (preceding-char) ?\n)
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(insert ?\n))
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;; Change header-delimiter to be what post-mail expects.
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(goto-char (point-min))
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(search-forward (concat "\n" mail-header-separator "\n"))
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(replace-match "\n\n")
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(backward-char 1)
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(setq delimline (point-marker))
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(if mail-aliases
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(expand-mail-aliases (point-min) delimline))
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(goto-char (point-min))
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;; ignore any blank lines in the header
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(while (and (re-search-forward "\n\n\n*" delimline t)
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(< (point) delimline))
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(replace-match "\n"))
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;; Find and handle any FCC fields.
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(let ((case-fold-search t))
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(goto-char (point-min))
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(if (re-search-forward "^FCC:" delimline t)
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(mail-do-fcc delimline))
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;; If there is a From and no Sender, put it a Sender.
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(goto-char (point-min))
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(and (re-search-forward "^From:" delimline t)
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(not (save-excursion
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(goto-char (point-min))
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(re-search-forward "^Sender:" delimline t)))
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(progn
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(forward-line 1)
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(insert "Sender: " (user-login-name) "\n")))
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;; don't send out a blank subject line
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(goto-char (point-min))
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(if (re-search-forward "^Subject:[ \t]*\n" delimline t)
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(replace-match ""))
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(if mail-interactive
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(save-excursion
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(set-buffer errbuf)
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(erase-buffer))))
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(write-file (setq temfile (make-temp-name temfile)))
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(set-file-modes temfile 384)
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(apply 'call-process
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(append (list (if (boundp 'post-mail-program)
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post-mail-program
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"/usr/uci/lib/mh/post")
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nil errbuf nil
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"-nofilter" "-msgid")
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(if mail-interactive '("-watch") '("-nowatch"))
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(list temfile)))
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(if mail-interactive
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(save-excursion
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(set-buffer errbuf)
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(goto-char (point-min))
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(while (re-search-forward "\n\n* *" nil t)
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(replace-match "; "))
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(if (not (zerop (buffer-size)))
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(error "Sending...failed to %s"
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(buffer-substring (point-min) (point-max)))))))
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(kill-buffer tembuf)
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(if (bufferp errbuf)
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(switch-to-buffer errbuf)))))
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