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Top Email Security Software for Encryption

4 email security software ranked by rating, review volume and listing quality.

Between them, the 4 email security software on this page cover email attachment protection (3), Reporting/Analytics (3), Whitelisting/Blacklisting (3) and archiving & retention (2). 4 of them have written a profile you can read before you get in touch.

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MimeCast Email Security
Archiving & Retention · Anti Spam · Anti Virus
MimeCast Email Security is the email protection product from Mimecast.
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ProtonMail
Email Attachment Protection · Anti Spam · Anti Virus
ProtonMail is an encrypted email provider. Its stated mission is to protect privacy by making end-to-end encryption simple enough for anyone, and it describes itself as the world's…
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OnDMARC
Email Attachment Protection · Anti Spam · Anti Virus
OnDMARC is a product from Red Sift, a cloud cybersecurity platform.
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Spambrella
Email Attachment Protection · Archiving & Retention · Anti Spam
Spambrella is a worldwide software-as-a-service provider of email security.
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India

25 Oct 2026 · TrustList Editorial

Oracle and Cisco ship fixes that stop trusting eMudhra certificates

Oracle scores the Java gap 9.1 and pulls the eMudhra roots from every supported JDK line; Cisco lists Duo upgrades now, Meraki camera…

United States

22 Oct 2026 · TrustList Editorial

GoDaddy misses deadline to revoke 404,607 mis-profiled TLS certificates

The certificates are technically sound but did not match the policy GoDaddy published for its Starfield and GoDaddy hierarchies. Industry…

India

22 Oct 2026 · TrustList Editorial

eMudhra quits the global TLS certificate business after its CA key leak

The Bengaluru-listed trust company says its board chose to withdraw a week after eight intermediate keys were exposed. Its G1 RSA roots…

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