Kaspersky Security for Mail Server

Proven multi-layered protection for every aspect of your corporate email

Stay ahead of sophisticated email-borne threats

Kaspersky Security for Mail Server (KSMS) provides trusted and secure corporate email exchange, countering spam, email-borne infections, all forms of phishing, business email compromise (BEC), QR code attacks, and other threats.

Kaspersky has been named a Leader in the SPARK Matrix Enterprise Email Security report 2025

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WHY CHOOSE US?

One solution. Complete email protection

Fortify your email infrastructure defense

Keep your business’s primary communications channel secure with a single product, powered by advanced detection technologies and automated response capabilities.

Mitigate email-borne risks to your business

Protect against all types of email threat and minimize the risk of disruption, financial loss and data leaks with a robust email security solution.

Ensure easy scalability as you grow

Leverage the flexibility of the Kaspersky Security for Mail Server licensing model and our advanced KSMS Plus tier, customized to your business’s growing technological needs and employee base.

Fully protect every infrastructure

Whether you use on-prem or cloud-based tools, select from our wide range of options - from secure email gateway to API-integrated on-prem or cloud-native email security.

KEY FEATURES

Comprehensive email security at gateway and mailbox levels

Kaspersky Security for Mail Server delivers multi-layered protection powered by machine learning, leading global threat intelligence data and seamless integration with other Kaspersky solutions.

Applications at the heart of Kaspersky Security for Mail Server

All applications are available under a single unified Kaspersky Security for Mail Server license. Combine them for comprehensive coverage, or choose the apps that best suit your needs from a wide range of email security tools for:

Kaspersky Secure Mail Gateway

Ready-to-use Secure Email Gateway (SEG) software appliance, complete with operating system, mail transfer agent (MTA) and mail security app.

The solution can be provided as a virtual appliance or standalone lightweight application.

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Kaspersky Security for Microsoft Exchange Servers

Native integration with Microsoft Exchange Server ensures complete protection of mail traffic – from gateway to mailbox level, reducing the risks from spam, social engineering-based attacks and other mail-borne threats.

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Kaspersky Security for Microsoft Office 365

A single SaaS security solution that protects Microsoft Office 365’s communication and collaboration services – Exchange Online, OneDrive, SharePoint Online and Teams from security threats.

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Email security enhanced by integration with leading Kaspersky solutions

Kaspersky Next XDR Expert

Delivers enhanced threat detection, event correlation and cross-product response.

Kaspersky Anti Targeted Attack

Detects complex attacks through sandbox-based dynamic attachment analysis, and shows actions taken by Kaspersky Security for Mail Server in the KATA alert.

Kaspersky Security Network

Provides global reputation data on files, resources and links in real time, increasing visibility and accelerating response capabilities to new threats.

Kaspersky Threat Intelligence Portal

Enables manual searches for detailed contextualized information, such as threat level and reputation, on threats detected by Kaspersky Security for Mail Server.

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