You can configure the settings of the Anti-Spam engine for one or several rules.
To configure the settings of the Anti-Spam engine for a rule:
In the main window of the application web interface, open the management console tree and select the Rules section.
In the list of rules, click the link with the name of the rule to open the rule for which you want to configure the Anti-Spam engine settings.
Select the Anti-Spam section.
Flip on the toggle switch next to the name of the Anti-Spam settings group if it is off.
In the General settings section, select check boxes next to the names of the general settings that you want to enable:
Use graphical image processing technologies, if you want to use GSG technology that identifies images containing text in order to determine whether such text is spam. The text is recognized regardless of whether it has been modified, rotated in the image, hidden behind "noise" or otherwise modified to conceal the purpose of the image.
Scan RTF attachments, if you want the Anti-Spam engine to scan all message attachments in RTF format.
In the Scan using external services settings group, select check boxes next to the names of settings that control usage of external services you want to enable:
Use custom DNSBL list, if you want the Anti-Spam module to check senders' addresses on the DNSBL servers specified in the custom DNSBL list.
You can view the custom DNSBL list by clicking the custom link in the name of the Use custom DNSBL list setting.
Use custom SURBL list, if you want the Anti-Spam module to check web addresses from the subject and body of messages on the SURBL servers specified in the custom SURBL list.
You can view the custom SURBL list by clicking the custom link in the name of the Use custom SURBL list setting.
In the Raise spam rating if settings group, select check boxes next to the names of languages and fonts that, when used in the message, increase the spam rating of the message:
Message written in Chinese, if you want the Anti-Spam engine to increase the spam rating of messages written in Chinese.
Message written in Japanese, if you want the Anti-Spam engine to increase the spam rating of messages written in Japanese.
Message written in Korean, if you want the Anti-Spam engine to increase the spam rating of messages written in Korean.
Message written in Thai, if you want the Anti-Spam engine to increase the spam rating of messages written in Thai.
Message uses Cyrillic script, if you want the Anti-Spam engine to increase the spam rating of messages written using the Cyrillic script.
Click the Apply button in the lower part of the workspace.