I also get the message in gmail as an open lock icon that "aaa.com did not encrypt the message"
Delivered-To: xxxx@gmail.com
Received: by 10.129.75.136 with SMTP id y130csp973842ywa;
Sat, 13 Aug 2016 03:45:51 -0700 (PDT)
X-Received: by 10.194.88.137 with SMTP id bg9mr19685369wjb.155.1471085151008;
Sat, 13 Aug 2016 03:45:51 -0700 (PDT)
Return-Path: <noreply@aaa.com>
Received: from aaa.com (aaa.com. [123.45.678.90])
by mx.google.com with ESMTP id kj1si11000653wjb.67.2016.08.13.03.45.50
for <xxxx@gmail.com>;
Sat, 13 Aug 2016 03:45:50 -0700 (PDT)
Received-SPF: pass (google.com: domain of noreply@aaa.com designates 178.62.193.39 as permitted sender) client-ip=123.45.678.90;
Authentication-Results: mx.google.com;
dkim=pass (test mode) header.i=@aaa.com;
spf=pass (google.com: domain of noreply@aaa.com designates 178.62.193.39 as permitted sender) smtp.mailfrom=noreply@aaa.com;
dmarc=pass (p=NONE dis=NONE) header.from=aaa.com
Received: by aaa.com (Postfix, from userid 0)
id 807B412043B; Sat, 13 Aug 2016 06:45:50 -0400 (EDT)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple;
d=aaa.com; s=mail; t=1471085150;
bh=MoP3bPhB8A6bqrjoR6tkmNMDcDJaKdj4SBhSQDzGGLA=;
h=Subject:To:Date:From:From;
b=IarVIIZPXk4CneZjTxwW+BYLT5mM9iENsEJJ8GXrNDKShoffs1K3GcttLay9hH9Xr
GxNzqYcg5ArdPUjyBvACzWSLuJUnS4ZMVT+5MjnWWy8dNJS/P0bv52L8uubzxg+Si2
neqlNqnrfnCLqaeTU94r2nvBn14I/gmGWHT2dr7Q=
Subject: huhu
To: <xxxx@gmail.com>
X-Mailer: mail (GNU Mailutils 2.99.98)
Message-Id: <20160813104550.807B412043B@aaa.com>
Date: Sat, 13 Aug 2016 06:45:50 -0400 (EDT)
From: noreply@aaa.com (noreply)
huhu