Cisco Cisco Email Security Appliance X1050 Troubleshooting Guide
Document ID: 117998
Updated: Sep 21, 2015
Contributed by Nasir Shakour and Enrico Werner, Cisco TAC Engineers.
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Contents
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Question:
How do I verify that the Email Security Appliance (ESA) is accepting email?
Here is an example of how to use Simple Mail Transfer Protocol (SMTP) commands to connect
with the ESA to verify that the appliance is accepting email. The telnet test will also work from your
desktop computer.
with the ESA to verify that the appliance is accepting email. The telnet test will also work from your
desktop computer.
Connect to your ESA using SMTP (port 25). You can specify either the hostname or the
IP address of the appliance.
IP address of the appliance.
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>telnet nameofserverl.example.com 25
Trying 10.1.1.235...
Connected to nameofserver.example.com.
Escape character is '^]'.
220 nameofserver.example.com ready at Wed, 30 Jun 2004 12:08:02 -0700
Specify the hostname FROM which you are connecting.
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>helo gin.example.com
250 nameofserver.example.com Hello [10.1.3.223]
Specify the email address FROM which you are sending mail.
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>mail from: user@example.com
250 2.1.0 user@example.com....Sender OK
Specify the email address TO which you are sending mail.
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