Problem forwarding messages

[Rafael Avila de Espindola]

Not sure if this is an emacs or notmuch problem.

I can read mime messages with the notmuch major mode, but when I try to
forward it the only thing that gets sent is:

--------------------------------------------------------------------------------

Return-Path: <rafael.espindola at gmail.com>
Received: from localhost ([2607:c000:813e:da00:f636:b7a4:7922:316d])
        by smtp.gmail.com with ESMTPSA id 70sm18497736pfh.63.2017.09.26.10.14.39
        for <email I am forwarding to>
        (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256);
        Tue, 26 Sep 2017 10:14:39 -0700 (PDT)
From: Rafael Avila de Espindola <rafael.espindola at gmail.com>
To: name <email I am forwarding to>
Subject: the subject
Date: Tue, 26 Sep 2017 10:14:38 -0700
Message-ID: <87efqts7pd.fsf at dell.i-did-not-set--mail-host-address--so-tickle-me>
MIME-Version: 1.0
Content-Type: message/rfc822
Content-Disposition: inline

--==-=-=--
MIME-Version: 1.0
Content-Type: multipart/alternative; boundary="==-=-="
--------------------------------------------------------------------------------

Cheers,
Rafael