Customers are receiving emails containing a link to malicious software. These emails are subverting spam filters. The email reads as follows:
Delivered-To: [email protected]
Received: by 10.14.120.205
Mon, 1 Nov 2010 11:15:24 -0700 (PDT)
Received: by 10.231.31.193
Mon, 01 Nov 2010 11:15:23 -0700 (PDT)
Return-Path: <[email protected]>
Received: from 127.0.0.1 for <[email protected]>; Mon, 1 Nov 2010 13:15:14 -0500 (envelope-from<[email protected]>) Received: by smtpex.example.com (SMTP READY) with ESMTP (AIO); Mon, 01 Nov 2010 13:15:14 -0500 Received: from 172.18.45.122 by 192.168.2.55; Mon, 1 Nov 2010 13:15:14 -0500 From: Company <[email protected]> To: "[email protected]" <[email protected]> Date: Mon, 1 Nov 2010 13:15:11 -0500 Subject: New Insurance Application Thread-Topic: New Insurance Application Please download and install software from the site below to maintain full access to your account.
www.examplesite.com
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Additional information: The authorized mail servers IPs are 192.168.2.10 and 192.168.2.11.
The network's subnet is 192.168.2.0/25.
Which of the following are the MOST appropriate courses of action a security administrator could take to eliminate this risk? (Select TWO).