使用ExchangeIMF引擎过滤垃圾邮件.doc

使用Exchange IMF引擎过滤垃圾邮件 文档主要包含以下几个部分： 1． IMF技术简介 2． IMF配置和微调步骤 3． IMF归档邮件察看和处理步骤 4． IMF日常维护和排错建议 5． 工作步骤Check List 6． 参考资料 1． IMF技术简介 1）IMF Overview Intelligent Message Filter (IMF) is a content filter designed specifically for Exchange. It is basedIntelligent Message Filter is installed alt= src=/upimg/allimg/070523/1612110.gif border=0 After Intelligent Message Filter has assigned an SCL to the message, it is evaluated against two thresholds configured by the administrator as follows: 1. Gateway blocking configuration: Block messages with an SCL rating greater than or equal to. If the SCL of a message is greater than or equal to the value set here,a. Archive b. Delete c. No action d. Reject 2. Store junk e-mail configuration: Move messages with an SCL rating greater than. If the message is greater than the value set here, the message will be delivered to the junk e-mail folder of the user’s inbox, unless the user has the senderIMF version 2 includes a completely new feature called the Custom Weighting Feature (CWF), which allows you to customize IMF even further. With CWF you can filter e-mail messages basedDrive_letter:\Program Files\Exchsrvr\bin\MSCFV2 Before you can make use of the CWF you need to register the MSExchange.UceContentFilter.dll file, you do this by opening a command prompt then issue the following command: regsvr32 Drive_letter:\Program Files\Exchsrvr\bin\MSCFV2\MSExchange.UceContentFilter.dll When the MSExchange.UceContentFilter.dll file has been registered you can start to add words or phrases to the MSExchange.UceContentFilter.xml, normally Notepad would be sufficient for this task (just make sure you save the file as a .xml in the Unicode format!) Below is an example of specific phrases and values you can use in the MSExchange.UceContentFilter.xml file. Value Description Type=”BODY” Search for value specified in text in the BODY field of the message Type=”SUBJECT” Search for value s