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;;; -*-emacs-lisp-*-
;;;
;;; Local GNUS configuration -- distorted.org.uk version
;;;
;;; (c) 2014 Mark Wooding
;;;

;;;--------------------------------------------------------------------------
;;; Random configuration.

(setq auth-sources '("~/.gnus.authinfo"))

;;;--------------------------------------------------------------------------
;;; How to send mail.

(setq smtpmail-smtp-service 587
      smtpmail-auth-credentials "~/.gnus.authinfo")

(setq mdw-send-mail-alist
      `((distorted-smtp
	 (send-mail-function . smtpmail-send-it)
	 (smtpmail-smtp-server . "mail.distorted.org.uk")
	 (smtpmail-starttls-credentials
	  ("mail.distorted.org.uk" 587 nil nil)))
	(chiark-smtp
	 (send-mail-function . smtpmail-send-it)
	 (smtpmail-smtp-server . "smtp.dovecot.chiark.greenend.org.uk")
	 (starttls-extra-arguments "--insecure")
	 (smtpmail-starttls-credentials
	  ("smtp.dovecot.chiark.greenend.org.uk" 587 nil nil)))
	(gmail-smtp
	 (send-mail-function . smtpmail-send-it)
	 (smtpmail-smtp-server . "smtp.gmail.com")
	 (smtpmail-starttls-credentials
	  ("smtp.gmail.com" 587 nil nil))))
      mdw-guess-send-mail-alist
      `((,(concat "@\\(" "\\(chiark\\|slimy\\|coriolis\\)"
			 "\\.greenend\\.org\\.uk"
		  "\\|"  "evade\\.org\\.uk"
		  "\\|"  "fyvzl\\.net"
		  "\\)$") . chiark-smtp)
	("@g\\(\\|oogle\\)mail\\.com$" . gmail-smtp))
      mdw-default-send-mail-method nil)

;;;--------------------------------------------------------------------------
;;; News via chiark.

;; Currently we assume an SSH tunnel.  This will be fixed later.
(setq gnus-select-method
      '(nntp "chiark-ssh-kludge"
	     (nntp-open-connection-function nntp-open-authinfo-kludge)
	     (nntp-address "tunnel.chiark.greenend.org.uk")
	     (nntp-authinfo-generic "md5cookie1way mdw")))

;;;--------------------------------------------------------------------------
;;; Where we get mail from.

;; Read mail on the IMAP server.
(setq gnus-secondary-select-methods
      '((nnimap "distorted"
		(nnimap-address "mail.distorted.org.uk")
		(nnimap-stream starttls)
		(nnimap-inbox "INBOX")
		(nnimap-unsplittable-articles (%Deleted)))
	(nnimap "markw-distorted"
		(nnimap-address "mail.distorted.org.uk")
		(nnimap-stream starttls)
		(nnimap-inbox "INBOX")
		(nnimap-unsplittable-articles (%Deleted)))
	(nnimap "mwooding-chiark"
		(nnimap-address "imap.dovecot.chiark.greenend.org.uk")
		(nnimap-stream starttls)
		(starttls-extra-arguments ("--insecure"))
		(nnimap-inbox "INBOX")
		(nnimap-unsplittable-articles (%Deleted)))
	(nnimap "google"
		(nnimap-address "imap.gmail.com")
		(nnimap-stream tls)
		(nnimap-inbox "INBOX")
		(nnimap-unsplittable-articles (%Deleted)))))

;; Send sent mail back to me.
(setq gnus-message-archive-method "mail"
      gnus-gcc-mark-as-read t
      gnus-message-archive-group "nnimap+distorted:mail.sent")

;;;--------------------------------------------------------------------------
;;; Mail group configuration.

;; General splitting configuration.
(setq nnimap-split-inbox '("INBOX" "to.split")
      nnimap-split-rule 'nnimap-split-fancy
      nnimap-split-methods 'nnimap-split-fancy
      nnmail-split-methods 'nnmail-split-fancy
      nnimap-split-predicate "UNDELETED"
      nnimap-split-crosspost t
      nnmail-split-crosspost t
      nnmail-split-fancy-match-partial-words nil)

;; Automatic expiry for particular groups.
(setq gnus-auto-expirable-newsgroups
      (concat "^"
	      "\\(nnimap\\+[^:]+\\|nnvirtual\\):"
	      "\\(admin\\|crap\\|lists\\|nag\\|spam\\)\\."))

;; My various email addresses.
(setq message-alternative-emails bbdb-user-mail-names
      message-dont-reply-to-names message-alternative-emails)

;; Mail sent to `mdw-nospam-THING' should appear to come from this address.
(setq gnus-posting-styles
      '(("^nnimap\\+distorted:crap\\."
	 (address (concat "mdw-nospam-"
			  (substring gnus-newsgroup-name (match-end 0))
			  "@distorted.org.uk")))
	("^nnimap\\+[^:]+-chiark:"
	 ("X-mdw-Send-Mail" "chiark-smtp"))
	("^nnimap\\+google:"
	 (address "distorted.mdw@gmail.com")
	 ("X-mdw-Send-Mail" "gmail-smtp"))))

;; The actual splitting rules.
(setq nnmail-split-fancy
      '(|
	  ;; Administrative boxes.
	  (to "\\(root\\|postgres\\|ca\\|noc\\)@" "admin.misc" t)
	  (to "\\(jukebox\\|nobody\\|darchive\\)@" "admin.misc" t)
	  (to "\\(hostmaster\\)@" "admin.dns" t)
	  (to "\\(news\\|newsmaster\\|usenet\\)@" "admin.news" t)
	  (to "\\(postmaster\\|spamd\\|mailer-daemon\\)@" "admin.mail" t)
	  (to "\\(irc\\|blight\\|ircbot\\)@" "admin.irc" t)
	  (to "\\(www\\|webmaster\\|mtos\\)@" "admin.web" t)
	  (to "\\(ftp\\|ftpadmin\\|mirror\\)@" "admin.ftp" t)
	  (to "\\(abuse\\|security\\)@" "admin.keep" t)
	  (from "cron daemon" "admin.misc")
	  (from "uucp@distorted\\.org\\.uk" "admin.uucp")
	  (from "darchive@.*\\.distorted\\.org\\.uk" "admin.misc")
	  (from "support@aa\\.net\\.uk" "admin.aaisp")
	  (from "bugs@distorted\\.org\\.uk" "admin.bugs")

	  ;; Colo provider.
	  (from "\\(accounts\\|support\\)@jump\\.net\\.uk" "keep.colo")

	  ;; Mailing lists, not split out earlier.
	  (to "python-list@python\\.org" "lists.python")
	  (to "jump-announce@jump\\.net\\.uk" "lists.jump-announce")

	  ;; Per-sender addresses.
	  (to "mdw-nospam-justgviing@" "crap.justgiving" t)
	  (to "mdw-nospam-\\([^@]+\\)@" "crap.\\1" t)
	  (to "mdw-nopspam-\\([^@]+\\)@" "crap.\\1" t)

	  ;; Regular nags.
	  (from "\\(sealbot\\|cardbot\\)@ncipher\\.com" "nag.cardbot")
	  (from "\\<mailman-owner@" "nag.mailman" t)

	  ;; Uninteresting mail.
	  (from "expiry@letsencrypt\\.org" "spam.letsencrypt" t)

	  ;; Other splits I've not given a per-sender address.
	  (from "@\\(.*\\.\\)?lovefilm\\.com" "spam.lovefilm" t)
	  (from "@amazon\\." "spam.amazon" t)
	  (from "@cineworldmail\\.com" "spam.cineworld" t)
	  (from "@picturehouses\\.co\\.uk" "spam.picturehouse" t)
	  (from "@nationwide" "spam.nationwide" t)
	  (from "@news\\.spotifymail\\.com" "spam.spotify" t)
	  (from "@action\\.openrightsgroup\\.org" "spam.org" t)
	  (from "unlimited@cineworld\\.com" "spam.cineworld" t)
	  (from "nationwide@securesuiteemail\\.com" "spam.nationwide" t)
	  (from "@liberty-human-rights\\.org\\.uk" "spam.liberty" t)
	  (from "@libertymail\\.org\\.uk" "spam.liberty" t)
	  (from "@openrightsgroup\\.org" "spam.org" t)
	  (from "@tshirthell\\.com" "spam.tshirt-hell" t)
	  (from "campaigns@jolla\\.com" "crap.jolla" t)

	  ;; Default.
	  "mail.misc")
      nnimap-split-fancy nnmail-split-fancy)

;;;----- That's all, folks --------------------------------------------------