Compare the Top Email Encryption Software in the USA as of February 2026

What is Email Encryption Software in the USA?

Email encryption software ensures the confidentiality and integrity of email communications by converting messages into unreadable formats that can only be decrypted by authorized recipients. It uses encryption protocols such as S/MIME and PGP to protect sensitive information from interception, eavesdropping, and unauthorized access. The software helps organizations comply with data privacy regulations like GDPR, HIPAA, and CCPA by securing emails containing personal or financial information. Email encryption can be applied at the message level, attachment level, or entire inbox, providing versatile protection for both internal and external communications. By safeguarding email content, businesses can reduce the risk of data breaches, maintain customer trust, and avoid costly compliance fines. Compare and read user reviews of the best Email Encryption software in the USA currently available using the table below. This list is updated regularly.

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    Canary Mail

    Canary Mail

    Canary Mail

    Email, meet AI. Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!
    Starting Price: $20/month
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