OCA/OCB — pull request #73 by jbq (2014-11-02 18:23:42+00:00)
Title: Strip In-Reply-To header

Header could be expressed like this:

In-Reply-To:
<4ba8f246904b4fedb49fbab7945a7f82@AM3PR06MB433.eurprd06.prod.outl$$k.com>

The message lookup fails if header is not stripped