Forming the protection scope of the Mail Threat Protection component

Protection scope refers to the objects that are scanned by the component when it is active. The protection scopes of different components have different properties. The properties of the protection scope of the Mail Threat Protection component include the settings for integrating the Mail Threat Protection component into mail clients, and the type of email messages and email protocols whose traffic is scanned by the Mail Threat Protection component. By default, Kaspersky Endpoint Security scans both incoming and outgoing email messages and traffic of the POP3, SMTP, NNTP, and IMAP protocols, and is integrated into the Microsoft Office Outlook mail client.

To form the protection scope of the Mail Threat Protection component:

  1. In the lower part of the main application window, click the icon_settings button.
  2. In the application settings window, select Protection → Essential Threat Protection → Mail Threat Protection.
  3. Click the Advanced settings button.
  4. In the Protection scope block, select the messages to scan:
    • Incoming and outgoing messages.
    • Incoming messages only.

    In order to protect your computers, you need only scan incoming messages. You can turn on scanning for outgoing messages to prevent infected files from being sent in archives. You can also turn on the scanning of outgoing messages if you want to prevent files in particular formats from being sent, such as audio and video files, for example.

    If you choose to scan only incoming messages, it is recommended that you perform a one-time scan of all outgoing messages because there is a chance that your computer has email worms that are being spread over email. This helps to avoid problems resulting from unmonitored mass emailing of infected messages from your computer.

  5. In the Connectivity section, do the following:
    • If you want the Mail Threat Protection component to scan messages that are transmitted via the POP3, SMTP, NNTP and IMAP protocols before they arrive on the user's computer, select the Scan POP3 / SMTP / NNTP / IMAP traffic check box.

      If you do not want the Mail Threat Protection component to scan messages that are transmitted via the POP3, SMTP, NNTP and IMAP protocols before they arrive on the user's computer, clear the Scan POP3 / SMTP / NNTP / IMAP traffic check box. In this case, messages are scanned by the Mail Threat Protection extension embedded in the Microsoft Office Outlook mail client after they are received on the user computer if the Connect Microsoft Outlook extension check box is selected.

      If you use a mail client other than Microsoft Office Outlook, messages that are transmitted via the POP3, SMTP, NNTP and IMAP protocols are not scanned by the Mail Threat Protection component if the Scan POP3 / SMTP / NNTP / IMAP traffic check box is cleared.

    • If you want to allow access to Mail Threat Protection component settings from Microsoft Office Outlook and enable scanning of messages that are transmitted via the POP3, SMTP, NNTP, IMAP, and MAPI protocols after they arrive on the computer using the extension that is embedded into Microsoft Office Outlook, select the Connect Microsoft Outlook extension check box.

      If you want to block access to Mail Threat Protection component settings from Microsoft Office Outlook and disable scanning of messages that are transmitted via the POP3, SMTP, NNTP, IMAP, and MAPI protocols after they arrive on the computer using the extension that is embedded into Microsoft Office Outlook, clear the Connect Microsoft Outlook extension check box.

      The Mail Threat Protection extension is embedded in the Microsoft Office Outlook mail client during installation of Kaspersky Endpoint Security.

  6. Save your changes.
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