Delivery has failed to these recipients or groups:

recipient1@foo.com
You can't send a message on behalf of this user unless you have permission to do so. Please make sure you're sending on behalf of the correct sender, or request the necessary permission. If the problem continues, please contact your helpdesk.

From: Test-Mailbox@foo.com
To: recipient1@foo.com, recipient2@foo.com
Cc: ccRecipient@foo.com
Bcc: bccRecipient@foo.com
Message-ID: <29094346.1.1409121155408.JavaMail.tester@wd34376>
Subject: subject
MIME-Version: 1.0
Content-Type: multipart/related;
boundary="----=_Part_0_30562042.1409121155299"
X-Unsent: 1

------=_Part_0_30562042.1409121155299
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

body goes here
------=_Part_0_30562042.1409121155299--