Subject: Message Delivery Failure - Returned Mail: Error During Delivery

From: "Delivery Subsystem" <[email-masked]>
Date: Tue, 01 Sep 2009 09:31:14 +0600

MailEnable: Message could not be delivered to some recipients.
The following recipient(s) could not be reached:

	Recipient: [SMTP:[email-masked]]
	Reason: Remote SMTP Server Returned: 550 5.7.1 <[email-masked]>: Sender address rejected: Invalid host LB

Message headers follow:

From: [email-masked]
Date: Tue Sep 01 08:30:10 2009
To: <[email-masked]>
Subject: Returned Mail: Error During Delivery