Symantec 10744983 Administration Guide - Page 100

100 Configuring email filtering Creating virus, spam, and compliance filter policies ■ Spammers usually "spoof" or forge some of the visible headers and the usually invisible envelope information. Sometimes they forge header information using actual email addresses or domains of innocent people or companies. Use care when creating filters against spam you've received. ■ The following considerations apply to keyword text string searches. ■ All tests for words and phrases are case-insensitive, meaning that lowercase letters in your conditions match lower- and uppercase letters in messages, and uppercase letters in your conditions match lower- and uppercase letters in messages. If you tested that the subject contains this string inkjet Then any message subject inkjet containing these strings would be Inkjet matched INKJET If you tested that a subject contains this string INKJET Then any message subject inkjet containing these strings would be Inkjet matched INKJET ■ Multiple white spaces in an email header or body are treated as a single space character. If you tested that a subject contains this string injet cartridge Then any message subject inkjet cartridge containing these strings would be inkjet cartridge matched If you tested that a subject contains this string inkjet cartridge Then any message subject injet cartridge containing these strings would be inkjet cartridge matched