How to set up additional DNS servers

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Some ISP's prevent their DNS server from being able to resolve MX records. This is done intentionally, so that residential clients won't be able to use their own SMTP server.
Fortunately, you can use any public DNS server. It is not mandatory to use your ISP's DNS server. You can even combine theirs and yours, so if their DNS server will not find the right record, it will be further queried from the other DNS. We tried using some very good DNS servers from Level 3 communications. Their IP addresses are:
4.2.2.1, 4.2.2.2, 4.2.2.3, 4.2.2.4, 4.2.2.5, 4.2.2.6
You can easily set them up by going to your network settings. To do this, please follow these steps:

1. Go to your control panel, choose Network Connections and choose the connection you are using to get to the Internet
   
2. This window
   
   will open up. You can click on the "Properties" button
3. In this window
   
   Choose "Internet Protocol" and press "Properties"
4. In this window
   
   you need to choose "Advanced"
5. Then you come to this window
   
   where you actually add the DNS servers