The Cisco Cloud Email Security Graymail Safe-unsubscribe is a subscription license that provides a reliable solution for managing graymail in your email system. This software is licensed for one user and is valid for one year, ensuring that your email security remains robust and up-to-date. The electronic distribution method allows for quick and easy access, making it an ideal choice for organizations looking to enhance their email security without the hassle of physical media. With this volume licensing option, you can efficiently manage multiple licenses across your organization, ensuring that all users benefit from enhanced email protection.