36CHAPTER 3: CONFIGURING MAIL SECURITY
Editing Attachment Click the Edit button to edit your attachment types. You can add file Types extensions (.mp3), or MIME content types (image/gif). For each
attachment type, choose whether you want to "BLOCK" or "Pass" the attachment.
Select the DS (Disable Content Scan) check box if you want to disable content scanning for attachments with the specified extension. The attachment will still be checked for viruses if the Disable Content Scan option is selected.
Click the Add Extension button to add a file extension or MIME type to the list, and then click Update.
The following example adds a MIME type of image/png to the attachment types list.