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