Best Secure Email Products in 2025

Secure email with absolutely no compromises. Get your free encrypted email account today.

Key ProtonMail features:

End-to-End Encryption Zero Access to User Data Swiss Privacy Laws Open Source

freemium €5.0 / Monthly (user - 5 GB)

Turn your inbox into a kanban board.

Key Kanmail features:

Unified Inbox Kanban Style Organisation Cross-platform Availability Privacy Focus

Try for free Open Source paid Free Trial $49.0 / One-off (Lifetime v2 license)

mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.

Key mailbox.org features:

Privacy Focused No Ads Feature-Rich Affordable Pricing

Secure, private email built with open source components.

Key YMOZ features:

Easy to Set-up and use IMAP ActiveSync Calendar sync

Open Source

Cloud Native DMARC.

Key EasyDMARC features:

AI-powered DMARC Report Analyser DMARC, SPF, DKIM cloud management solutions Email source reputation monitoring

Open Source freemium $35.99 / Monthly (2 domains, 100K emails, 3 month data history, 1 user)

Get your encrypted mailbox for free.

Key Tutanota features:

Privacy-Focused Open Source GDPR Compliant Ad-Free Experience

Open Source

Secure business email for automated security and compliance. Send sensitive information and transfer files hassle-free.

Key Zivver features:

Easy Secure Email Communication Data Leak Prevention Regulatory Compliance Large File Transfer

Agari is a data-driven security solution powering real-time cyber threat detection for companies & their customers.

Key Agari features:

Email Security Brand Protection Threat Intelligence User-Friendly Interface

ShazzleMail is the first privacy-protective and surveillance-resistant secure email service.

Key Shazzlemail features:

Privacy-focused Direct peer-to-peer email End-to-end encryption User control

Encrypting email with Encipher.it is a simple way to protect your sensitive data.

Key Encipher.it features:

Encryption Security User-Friendly Interface No Account Required Browser Integration

Security extension to Mozilla Thunderbird and SeaMonkey.

Key Enigmail features:

Enhanced Security Integration with Thunderbird Digital Signature Open Source

Email response automation and management.

Key eGain Mail features:

Automation Automation Analytics and Reporting Workflow Management

paid Free Trial

GPGMail is an open source plugin for Apple Mail.

Key GPGMail features:

Enhanced Security Open Source Integration with Apple Mail Free to Use

Tilda is private and secure email with decentalized storage.

Key Tildamail features:

Privacy-focused User-friendly Interface Custom Domains No Ads