Email protection. Mail Anti-Virus
The Kaspersky Security functionality described in this section is available only if the application is installed on a virtual machine with a Windows desktop or server operating system.
Mail Anti-Virus scans incoming and outgoing email messages (hereinafter also "messages" or "mail") for viruses and other malware. Mail Anti-Virus starts together with the application, continuously remains active in virtual machine memory, and scans all messages that are sent or received via the POP3, SMTP, IMAP, and NNTP protocols.
Mail Anti-Virus can scan the messages, that are sent or received via the protocols, that ensure encrypted data transfer.
Operation of Mail Anti-Virus is signified by the application icon in the taskbar notification area. The application icon appears as 
every time that a message is scanned if application icon animation is enabled.
Mail Anti-Virus intercepts and scans each email message that you receive or send. If no threats are detected in the message, it becomes available to the user.
If Mail Anti-Virus detects a threat in the message during scanning, Kaspersky Security assigns one of the following status labels to this message to designate the type of object detected (for example: virus, Trojan program).
The application then blocks the infected message and performs the action defined in the Mail Anti-Virus settings.
Mail Anti-Virus interacts with mail clients installed on the protected virtual machine. An embeddable extension is available for the Microsoft Office Outlook mail client that lets you fine-tune the message scan settings. The Mail Anti-Virus extension is embedded in the Microsoft Office Outlook mail client during installation of Kaspersky Security.
You can do the following to configure Mail Anti-Virus:
- Change the mail security level.
- Change the action that the application performs on an infected email message.
- Create the Mail Anti-Virus protection scope.
- Configure scanning of compound files attached to messages.
- Configure filtering by the type of attachment to email messages.
- Configure Heuristic Analyzer.
- Configure email scanning in Microsoft Office Outlook.
This section describes how to configure Mail Anti-Virus settings using the Administration Console and the Light Agent for Windows local interface. You can also configure the Mail Anti-Virus settings using the Web Console when creating or modifying the Light Agent for Windows policy settings (Application Settings → Anti-Virus protection → Mail Anti-Virus).