Best Email Security Software

Compare the Top Email Security Software as of December 2025

What is Email Security Software?

Email security software protects organizations from cyber threats such as phishing, malware, and spam by filtering incoming and outgoing email traffic. It uses advanced threat detection, encryption, and data loss prevention (DLP) to safeguard sensitive information. These tools also offer features like email authentication (DMARC, SPF, DKIM) and real-time threat intelligence to block emerging attacks. By securing email communications, businesses can prevent data breaches, ensure regulatory compliance, and maintain user trust. Email security software is essential for mitigating human error, which is one of the leading causes of data breaches. Compare and read user reviews of the best Email Security software currently available using the table below. This list is updated regularly.

  • 1
    WikiLocks

    WikiLocks

    WikiLocks

    WikiLocks works the way you do, within your most common applications. Simply select the data you wish to protect, assign access to individuals or groups, and distribute the newly protected document. The protection follows your document throughout its lifecycle, no matter how it is accessed, copied, pasted and attached.
    Starting Price: $40
  • Previous
  • You're on page 1
  • Next