From: sto.mar@...
Date: 2013-06-02T23:52:11+09:00
Subject: Re: "unsubscribe"

Am 02.06.2013 16:47, schrieb michael filion:
> "Unsubscribe"

Wrong address, wrong body (lower case, no parentheses).

Is this really so difficult?

See http://www.ruby-lang.org/en/community/mailing-lists/manual-instructions/