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- Year 2000

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MailGate Support Issues

Q. How do I set up MailGate as a gateway?
A. In a routed environment there are two ways to install MailGate as a gateway to the Internet.

1) If you have a router on your LAN

If your router is situated somewhere on your Local Area Network (LAN), rather than directly connected to the machine MailGate is running on, your environment will be less secure than using a multi-homed system (described in section 2 below).

Although this method is convenient for enabling the client machines to directly access the Internet, it also places your entire network right next-door to the Internet.

MailGate can be set up to prevent access via the router to its services, and you should ensure that your router firewall is enabled to place a shield between your LAN and the Internet.

2) If you have a router directly connected to the server

The most secure method of installing mailgate is to use a multi-homed system: this consists of separate ethernet cards for your LAN and the router. You can bind the gateway to only listen for information passed via the local LAN card.

Instead of your users accessing the router directy for Internet access, they can obtain access via MailGate's proxy gateway.

This method will increase your network security as MailGate will sit between local network and the internet, and if your router firewall is enabled you gain the advantage of having two lines of defense against intruders.

Setting up MailGate
For more information on how to implement either of these methods, check out the FAQ How can I make MailGate secure against outside hacking?

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