Cisco Cisco Email Security Appliance X1050 Betriebsanweisung
Chapter 8 Anti-Spam
8-294
Cisco IronPort AsyncOS 7.1 for Email Configuration Guide
OL-22158-02
Notes for
Step 1
The IronPort appliance ignores these headers.
Step 2
The IronPort appliance receives the message (not counted as a hop).
Step 3
First hop (and incoming relay).
Step 4
Second hop. This is the sending MTA. The IP address is 7.8.9.1.
Step 5
The IronPort appliance ignores these Microsoft Exchange headers.
4
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>
5
Received: from linux1.thespammer.com (HELO
linux1.thespammer.com) ([10.1.1.89]) by
sending-machine.spamham.com with ESMTP;
Received: from exchange1.thespammer.com ([10.1.1.111]) by
linux1.thespammer.com with Microsoft SMTPSVC(6.0.3790.1830);
Subject: Would like a bigger paycheck?
Date: Wed, 21 Sep 2005 13:46:07 -0700
From: "A. Sender" <asend@otherdomain.com>
To: <joefoo@customerdomain.org>
Table 8-2
A Series of Received: Headers (Path A Example 1) (Continued)
Table 8-3
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>;