From: Quintus <sutniuq@...>
Date: 2011-11-05T01:59:08+09:00
Subject: Re: UNSUBSCRIBE

unsubscribe.rb:10:in `unsubscribe!': Couldn't process your unsubscribe
request. Please try sending it to ruby-talk-ctl@ruby-lang.org instead.
(IncorrectMailAddress)
	from unsubscribe.rb:14:in `do_unsubscribe'
	from unsubscribe.rb:20:in `process_mails'
	from unsubscribe.rb:23:in `<main>'