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Spam filter configurator

Introduction

With the growth of the Internet, junk mail has become a problem. Not only you want to protect your users from receiving junk mail from well known site, you also need to control who may use your mail server to relay mail. Some spammers will try to use your mail server as an exploder. You can control this.

1. Principle

2. Using name or IP numbers

2.1 Specifying a network
2.2 Specifying a host or a domain

3. Setting rejected senders

4. Setting "relay for" by IP

5. Setting "relay for" by name

6. Setting relay to hosts

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