You can block attachments according to a specific name
or according to an attachment type. ScanMail determines attachment type by the file name extension
and true file type. Block attachments with two general strategies: either block all
attachments and then exclude specified attachments or specify all the attachments
to
block.
Procedure
- Go
to the Attachment Blocking screen by navigating
to one of the following:
-
For Real-time scans:
-
For Manual scans:
-
For Scheduled scans:
-
- Click the Target tab. The Target screen displays.
- Select from one of the following:
-
All attachments
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Select Attachment types to exclude and/or Attachment names to exclude. Click Show details to specify specific types or names.
-
-
Specific attachments
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Select Attachment types and/or Attachment names. Click Show details to specify specific types or names.
-
-
- Select Block attachment types or names within compressed
files, if you want to block the selected attachment types within
compressed files, and then select one of the following if you want to skip
scanning files embedded in Microsoft Office or OpenDocument files:
-
Do not block embedded files inside Microsoft Office 2007 or later files
-
Do not block embedded files inside OpenDocument files
-
- Select Block the file if a specific attachment (embedded file) is
detected inside a document to block an attachment that you
selected on this screen.In Scan embedded layers up to: option, specify a number from 1 to 20 to use as the threshold for not scanning embedded files. If the number of embedded layers of files exceeds the specified number, the file is not scanned.
- Select Block password protected Office documents and compressed files, if you want to block the password protected Office documents and compressed files.
- Select Block PDF files with embedded JavaScript, if you want to block the PDF files that contain embedded JavaScript.
- Click Scan Restriction Criteria if
performance improvement is required.
-
Number of layers of compression exceeds: Specify a number from 1 to 20 to use as the threshold for not scanning compression files. If the number of compression layers exceeds the specified number, the file is not scanned.
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- Click Save.