# certain crap mailers don't use standard headers to thread messages: # http://madduck.net/blog/2009.05.20:read-notifications-standards-and-microsoft/ # this recreates at least the In-Reply-To header, but not the References list. # Better than nothing. :0 * ^Content-class: urn:content-classes:mdn$ * !^In-Reply-To: *$ B ?? ^Original-Message-ID:$RE_EXTRACT_HEADER_VALUE { LOG="attach-mdn: unthreaded MDN in reply to $MATCH$NL" :0 fw |$FORMAIL -A "In-Reply-To: $MATCH" }