ProtonMail is an end-to-end encrypted email service based in Switzerland.
Free tier available, premium plans starting at $5/month
Best Cock.li Alternatives ranked by AI · updated May 2025
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Cock.li is a free, secure, and privacy-focused email service provider known for its no-nonsense approach and robust security features.
Price: Free
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Top 6 Cock.li alternatives
Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service.
Freemium
Mailfence is a secure and private email service that offers end-to-end encryption and digital signatures.
Starting from $2.50/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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