I'm quite confused about this.
I received an email today where the bcc recipient is visible:
Header:
Return-Path: xxxxxxx
Received: from xxxx ([xxxx]) by xxxxx (xxxx)
with ESMTPS (Nemesis) id xxxxx for <xxxxx>;
Wed, 06 May 2015 12:59:47 +0200
Received: from [xxxxx] (port=4696)
by xxxxx with esmtp (Exim 4.82_1-5b7a7c0-XX)
(envelope-from <xxxx>)
id xxxxx
for xxxxx; Wed, 06 May 2015 12:59:45 +0200
Received: from xxxxx [xxxxx] by xxxxx with xxxx(xxxxx);
06 May 2015 10:59:45 UT
Content-Type: multipart/mixed; boundary="===============0674811891=="
MIME-Version: 1.0
From: xxxxx
To: xxxxx
bcc: bxxxx@xxxx
Date: Wed, 06 May 2015 12:59:44 +0200
Subject: Rechnung Online Kunden P
Envelope-To: <xxxx>
How is that possible? If Thunderbird has recognized this meta-data correctly, then it should have been sent the right way (and I, or Thunderbird respectively wouldn't see it), shouldn't it?
