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Installation Examples

■ Barracuda Spam Firewall User’s Guide

Installation Examples

This section provides example installation types you can reference to help you determine the best way to

integrate the Barracuda Spam Firewall into your network environment.

Barracuda Spam Firewall Behind Corporate Firewall

The figure below shows the Barracuda Spam Firewall behind your corporate firewall. In this example,

the Mail Server has an IP address of 10.10.10.2 and the Barracuda Spam Firewall has an IP address of

10.10.10.3.

In this type of setup, you would need to do the following:

■ Forward (port redirection) incoming SMTP traffic on port 25 to the Barracuda Spam Firewall at

10.10.10.3.

■ Configure the Barracuda Spam Firewall to forward filtered traffic to the destination mail server at

10.10.10.2.

There is no need to modify any MX records for this type of setup.

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Barracuda Networks Control Server Guide de l'utilisateur Page 18