SMSMSE integrates directly with Exchange using the Virus Scan API (VSAPI) and Transport Agents. This allows the software to scan email traffic, internal mailboxes, and public folders without interrupting mail flow. Key Capabilities

The installation process is handled by a straightforward wizard. You should ensure your system meets the above prerequisites before beginning. The typical steps are:

is a legacy on-premises email security solution that officially reached its End-of-Life (EOL) on December 31, 2024 . New sales and capacity additions for the product ceased in November 2022, and it is no longer actively supported or available for new subscriptions through Broadcom. Download and Availability

To download , you must access the Broadcom Support Portal. You generally need an active support contract and a serial number or Site ID to download the full installer for the current version, 7.10 . Critical Note: End-of-Life (EOL) Warning

Using an unsupported product like SMSMSE in a production environment carries significant risk. Because it no longer receives security updates, any new vulnerabilities discovered in the software will remain unpatched, making your email server a potential target for attacks. As Tenable's vulnerability plugin notes, the lack of vendor support means "it is likely to contain security vulnerabilities". It is strongly recommended to plan a migration to a supported alternative immediately.

Despite being a legacy product, SMSMSE provided a comprehensive set of security features for Microsoft Exchange environments. These features explain why it was a trusted solution for many years:

In 2026, on-premises Microsoft Exchange Servers remain a critical component for many enterprises, requiring robust, tailored protection against evolving threats. While cloud adoption is high, many organizations utilize hybrid or fully on-premises environments for compliance and data control reasons. (now part of Broadcom/Symantec) remains a premier solution for protecting this infrastructure.

As the product is EOL, official downloads are restricted to existing customers who still hold valid support contracts or legacy entitlements.

Specify a service account for the SMSMSE service. It is best practice to use a dedicated service account that possesses the necessary permissions to read and modify Exchange transport pipelines. Step 4: Apply the License

Symantec Mail Security for Microsoft Exchange Download and Installation