Datasheet

Virus & Spyware Protection z 31

Advanced settings

Click the Advanced settings button to view this dialog:

This is a short explanation of the available configuration options:

Block all attachments: all attachments are blocked.

Block any attachment with double extensions: many worms and e-

mail viruses apply a technique where an additional extension is added,

for example <filename>.jpg.vbs. Most e-mail clients will hide

the last extension so that the attachment appears to only have the

extension .jpg. However, this feature is not only used by viruses—

legitimate files with names like myfile.hlp.zip and

todolist 20.dec.doc are both treated as double extensions.

Block any CLSID extensions (default option): some worms and e-

mail viruses apply a CLSID technique to fool e-mail scanners and

blocking software. They take advantage of a feature in Windows which