This feature is available with artica version 1.4.032813
If you are under this release you need to upgrade your Artica version.
If this version is not released use the How to upgrade Artica to a nightly build ?
If Kaspersky For Mail Server is activated/Installed you will be able to block some mails with specified attachments extensions.
This feature is enabled on each organization.
In this case, each organization should have it's own attachment filtering policy .
- Go to your organization and select messaging tab.
- Click on "Attachment Blocking" icon.

- To add a new attachment blocking, click on the green cross.
- Define in the field the 3 letters that represent the file type.
- You can add a list in one shot by separate each value by a comma.





