<p>What are the essential features of Kaspersky Security for Mail Server Add-On?<br /> <strong>Central management</strong> – Web console per application, plus Kaspersky Security Center.<br /> <strong>Add-on licence</strong> – Requires an existing Kaspersky business licence.<br /> <strong>Three applications</strong> – Gateway, Exchange and Microsoft 365 covered.<br /> <strong>Sender authentication</strong> – SPF, DKIM and DMARC stop spoofed senders.<br /> <strong>Phishing defence</strong> – Blocks QR code and spear phishing attempts.<br /> <strong>Important note</strong> – Protects email only, no endpoint or EDR.</p>