Mail Delivery Failure

[Mail Delivery System]

This is the mail delivery agent at Symantec Email Security.cloud.

I was unable to deliver your message to the following addresses:

michael.voumard at thesmithfamily.com.au

Reason: 550 5.4.1 [michael.voumard at thesmithfamily.com.au]: Recipient address rejected: Access denied

The message subject was: hi!
The message date was: Tue, 07 Mar 2017 12:37:23 +0600
The message identifier was: C6/FE-28713-8B2FDB85
The message reference was: server-13.tower-53.messagelabs.com!1488843447!157840033!1

Please do not reply to this email as it is sent from an unattended mailbox.
Contact your email administrator if you need more information, or
instructions for resolving this issue.
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