ProtonMail is an end-to-end encrypted email service based in Switzerland.
Free tier available, premium plans starting at $5/month
Best Soverin Alternatives ranked by AI · updated May 2025
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Soverin is a secure and privacy-focused email service that puts you in control of your data.
Price: Starting at $5/month
🎯 soverin.com
Top 6 Soverin alternatives
Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service.
Freemium
Posteo is a secure email service that focuses on privacy and sustainability, offering end-to-end encryption and sustainable practices.
Starting at €1 per month
Zimbra is an enterprise-class email, calendar, and collaboration solution built for the cloud, both public and private.
Starting at $6 per mailbox per year
Kolab Now is a secure and private collaboration suite offering email, calendar, file storage, and more.
Starting at $4.99 per month
Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
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