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The diagrams below illustrate two common installation settings for JSpamFilter
The basic idea is that mail is processed by JSpamFilter prior to arriving at your mail server (and, depending on your configuration, you may choose to block it before it gets to your mail server).
Here we see that mail arrives at port 25, is processed by JSpamFilter and is then forwarded to the mail server listening on port 26. This configuration works well if JSpamFilter is installed on the same machine as the mail server.
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| JSpamFilter can run on any machine in the mail flow prior to and including the mail server. JSpamFilter can also run on a separate dedicated machine. |
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| Thus you can run JSpamFilter on your mail server itself, your gateway, or even on a separate appliance. |
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For instance, the following are valid configurations:
- 2-machine configuration: the Firewall (1) and JSpamFilter (2) could run on one machine, with the Anti-Virus (3) and Mail Server (4) on a second machine.
- 4-machine configuration: the Firewall (1), JSpamFilter (2), Anti-Virus (3), and Mail Server (4) all on separate machines.
- 3-machine configuration: the Firewall (1) and JSpamFilter (2) could run on one machine, with the Anti-Virus (3) and Mail Server (4) on separate machines. Note: most firewalls will forward incoming IP addresses and thus JSpamFilter can typically be run behind the firewall. For insance, JSpamFilter and
the anti-virus software could be run on the same machine (provided JSpamFilter is "before" the anti-virus software as anti-virus software will typically not forward the incoming IP address). Other 3-machine configurations are possible as well.
- Single machine configuration: The Firewall (1), JSpamFilter (2), Anti-Virus (3), and Mail Server (4) all on one machine.
- JSpamFilter also works well with other network software and appliances.
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