9.2 Using SAproxy Pro

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9.2 Using SAproxy Pro

SAproxy Pro, by Stata Labs, began as a commercialized version of Pop3proxy, but it has been extensively developed with a focus on ease-of-use and access to both SpamAssassin and POP client features. It's available for Windows operating systems. At the time of this writing, the latest version is 2.5 and is selling for $29.95, which includes a year of free upgrades. A free 15-day trial is available. You can download the trial version or purchase the product at http://www.statalabs.com/products/saproxy/.

SAproxy Pro 2.5 includes its own Perl library and SpamAssassin 2.63, so you don't have to install either of those products separately. When SpamAssassin 3.0 is released, a future version of SAproxy Pro is likely to distribute SpamAssassin 3.0 instead, and upgrading should be relatively simple.

9.2.1 Installing SAproxy Pro

SAproxy Pro uses a downloadable InstallShield installer. Once you've downloaded the installer, run it. You'll be prompted to select your mail client; for several of the most widely used mail clients , the installer includes a training video that demonstrates how to configure mail accounts to use the proxy. You may be required to reboot your computer to finish the installation.

9.2.2 Starting SAproxy Pro

After SAproxy Pro is installed, you can start it manually from the Windows Start menu. The installer also offers to configure SAproxy Pro to start automatically on system startup. When SAproxy Pro is running, a system tray icon will appear; right-clicking this icon brings up a menu for configuring or shutting down SAproxy Pro.

9.2.3 Configuring the POP Client

Configuring a POP client to use SAproxy Pro is straightforward. Set the incoming POP server to localhost or 127.0.0.1. Set the POP login name to your usual POP account name , followed by a colon and the hostname of the remote POP server. Figure 9-3 shows an example of this configuration in Microsoft Outlook Express 6. In the example, Outlook Express will connect to 127.0.0.1 and log in as alansz:pop.example.com . SAproxy Pro will accept the connection and will proxy for the POP server pop.example.com , using alansz as the login name.

Figure 9-3. Configuring Outlook Express 6 to use SAproxy Pro

Stata Labs also distributes an SSL plug-in module for SAproxy Pro at http://www.statalabs.com/products/saproxy/ssl/. If your POP server supports SSL connections, install the plug-in and add :ssl to the end of the POP login name (e.g., alansz:pop.example.com:ssl ) to direct SAproxy Pro to make an SSL connection to the POP server.

9.2.4 Configuring SAproxy Pro

SAproxy Pro really shines in its configuration interface, which is available by double-clicking the SAproxy Pro system tray icon, or by right-clicking the icon and selecting Configure SAproxy Pro. Most of the configuration options are the same as those available in Pop3proxy, and through SpamAssassin's preference files. The graphical interface makes them much easier for inexperienced users to select. The Configuration dialog box is divided into nine tabs:


Always Spam

Use this section to add blacklist entries. You can blacklist messages by sender email address, sender domain, or keyword.


Never Spam

Use this section to add whitelist entries. You can whitelist messages by sender email address or sender domain.


Spam Training

Use this section to enable use of SpamAssassin's Bayesian classifier (including auto-learning). SAproxy Pro can also manually scan email folders that you specify as containing spam or non-spam messages in order to train the classifier.


Language Settings

Use this section to limit the set of languages that you expect to receive email in; email in other languages will be treated as spam.


Safety Settings

Use this section to configure the report_safe SpamAssassin directive.


Tagging Options

Use this section to turn on subject-tagging for spam messages and to set the SpamAssassin threshold score for spam. SAproxy Pro allows thresholds between 3.5 and 6.5.


Advanced Settings

Use this section to turn on such options as logging, proxying of the TOP and AUTH commands, and the use of SpamAssassin's network tests. DCC, Pyzor, Vipul's Razor, and DNSBL tests are available, and you can turn each on or off independently. You can use the Host Map part of this section to configure SAproxy Pro to listen on different local ports to proxy connections to different remote POP servers.


Statistics

This section displays a line graph comparing the number of spam and non-spam messages received each day of the last month.


Help

This section provides links to SAproxy Pro help.

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SpamAssassin
SpamAssassin
ISBN: 0596007078
EAN: 2147483647
Year: 2004
Pages: 88

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