• InterWikiMap

Postconf http://www.postfix.org/postconf.5.html#
WP http://en.wikipedia.org/wiki/
DHL http://www.dhl.com/content/g0/en/express/tracking.shtml?AWB=
JPEMS http://tracking.post.japanpost.jp/service/singleSearch.do?searchKind=S004&locale=en&reqCodeNo1=