THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
Personal proxy
You can run a small proxy application on your client computer that will connect to your mail server, get the email, run SpamAssassin on it, then deliver to your email client.
That's a personal proxy server.
Wiki Markup \[http://www.statalabs.com/products/saproxy/overview.php SAProxy\] by Bloomba is a Windows proxy server that's easy to set up and works quite well. It's $30. \\
Wiki Markup \[http://mcd.perlmonk.org/pop3proxy/ Pop3Proxy\] is a open source (perl) proxy server that seems to mostly work for Windows machines. Setting it up is \*not\* point-and-click easy, however. \\
Wiki Markup \[http://sourceforge.net/projects/imapassassin ImapAssassin\] is a perl application which uses [SpamAssassin] to pre-filter an IMAP mailbox for spam, before you download it. \\
Site-wide proxy
You can also set up a spam proxy server that receive all your organization's incoming mail, filters it, and pass it to your organization's legacy mail server.
...