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Email Security Software with Encryption (2026)

Last updated: March 2026

Why is encryption important for email security software users?

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

Encryption ensures that only the intended recipients can access sensitive information, enhancing security and confidentiality. It supports compliance with regulations like HIPAA and provides peace of mind when handling confidential communications. Of the 130 reviewers who rated encryption, 92% rated this feature as important or highly important.

Key features of email security software based on insights from 967 verified reviews

Email Attachment Protection: Users value encryption, customizable blocking, and sandbox features for secure and straightforward handling of sensitive attachments. 95% of reviewers rated this feature as important or highly important.
Threat Response: Reviewers appreciate the quick, automated threat detection and response, which helps reduce IT resources and increases security. 95% of reviewers rated this feature as important or highly important.
Threat Protection: Users highlight strong phishing and malware detection, which effectively prevents threats from reaching inboxes and ensures data security. 94% of reviewers rated this feature as important or highly important.
Spam Blocker: Reviewers note effective spam filtering, customizable rules, and reduced clutter, making inbox management easier and more efficient. 94% of reviewers rated this feature as important or highly important.
Reporting/Analytics: Reviewers find value in detailed reports and analytics that provide insights into email threats and help inform security decisions. 81% of reviewers rated this feature as important or highly important.