Scanning emails in Microsoft Office Outlook

During installation of Kaspersky Endpoint Security, the Mail Threat Protection extension is embedded into Microsoft Office Outlook (hereinafter also referred to as Outlook). It allows you to open the Mail Threat Protection component settings from within Outlook, and to specify when email messages are to be scanned for viruses and other threats. The Mail Threat Protection extension for Outlook can scan incoming and outgoing messages that are transmitted via the POP3, SMTP, NNTP, IMAP, and MAPI protocols. Kaspersky Endpoint Security also supports working with other email clients (including Microsoft Outlook Express®, Windows Mail, and Mozilla™ Thunderbird™).

The Mail Threat Protection extension supports operations with Outlook 2010, 2013, 2016, and 2019.

When working with the Mozilla Thunderbird mail client, the Mail Threat Protection component does not scan messages that are transmitted via the IMAP protocol for viruses and other threats if filters are used to move messages from the Inbox folder.

In Outlook, incoming messages are first scanned by the Mail Threat Protection component (if the POP3 / SMTP / NNTP / IMAP traffic check box is selected in the interface of Kaspersky Endpoint Security) and then by the Mail Threat Protection extension for Outlook. If the Mail Threat Protection component detects a malicious object in a message, it notifies you about this event.

The Mail Threat Protection component settings can be configured directly in Outlook if the Additional: Microsoft Office Outlook extension check box is selected in the interface of Kaspersky Endpoint Security.

Outgoing messages are first scanned by the Mail Threat Protection extension for Outlook, and are then scanned by the Mail Threat Protection component.

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