Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
13-21
Cisco AsyncOS 9.5 for Email User Guide
Chapter 13 Anti-Spam
Determining Sender IP Address In Deployments with Incoming Relays
Notes for
:
•
The Cisco appliance ignores these headers.
•
The Cisco appliance receives the message (not counted as a hop).
•
First hop (and incoming relay).
•
Second hop. This is the sending MTA. The IP address is 7.8.9.1.
•
The Cisco appliance ignores these Microsoft Exchange headers.
shows the incoming relay for path A (above) as configured in the Add Relay page in the
GUI:
Figure 13-7
A Configured Incoming Relay with Received Header
Related Topics
•
How Incoming Relays Affect Functionality
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Table 13-2
A Series of Received: Headers (Path A Example 2)
1
Received: from mta.customerdomain.org ([10.2.3.5]) by ironport.customerdomain.org
with ESMTP; 21 Sep 2005 13:46:07 -0700
2
Received: from mx.customerdomain.org (mx.customerdomain.org) [10.2.3.4]) by
mta.customerdomain.org (8.12.11/8.12.11) with ESMTP id j8LKkWu1008155 for
<joefoo@customerdomain.org>;
3
Received: from sending-machine.spamham.com (sending-machine.spamham.com [
7.8.9.1
])
by mx.customerdomain.org (Postfix) with ESMTP id 4F3DA15AC22 for
<joefoo@customerdomain.org>;