spam?

This is the mail system at host mailrelay15.public.one.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

<[email protected]> failed: grpeake.plus.com->MX:
    552 Spam Message Rejected



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


Received: from 89.108.87.203 (unknown [162.219.2.102])
by smtpfilter3.public.one.com (Halon Mail Gateway) with ESMTPA
for <[email protected]>; Tue, 24 Nov 2015 14:28:49 +0000 (GMT)
Date: Tue, 24 Nov 2015 17:27:34 +0300
To: "[email protected]" <[email protected]>
From: Customer Support <[email protected]>
Reply-To: Customer Support <[email protected]>
Subject: Hurry! Save NOW until 10AM Wednesday
Message-ID: <[email protected]>
X-Priority: 3
X-Mailer: PHPMailer 5.2.9 (https://github.com/PHPMailer/PHPMailer/)
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="b1_7b525ca379f65b055cfb644a2c29bdcd"
Content-Transfer-Encoding: 8bit