[Secretbunker] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the mail system at host syd1-0003mrd.server-mail.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.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<mazzare at live.com>: host mx4.hotmail.com[134.170.2.199] said: 550 SC-001
    (BLU004-MC1F29) Unfortunately, messages from 210.247.193.195 weren't sent.
    Please contact your Internet service provider since part of their network
    is on our block list. You can also refer your provider to
    http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL
    FROM command)
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An embedded message was scrubbed...
From: "Robert Starnes" <melissa.fransen at dfat.gov.au>
Subject: Re: help 
Date: Thu, 28 Jul 2016 05:33:57 +1000 (EST)
Size: 1798
Url: http://lists.ucc.gu.uwa.edu.au/pipermail/secretbunker/attachments/20160728/74ed1d01/attachment.eml