Keep your conversations private with Proton Mail, a secure encrypted email service based in Switzerland, designed to protect your communications.
Fast, ad-free email service with custom domains, masked email aliases, and integrated calendar & contacts. Built for privacy and productivity without tracking or data mining.
Privacy-focused, ad-free email provider with unlimited burner aliases, IMAP-based end-to-end encryption, and support for custom domains. Compatible with Thunderbird and other desktop clients.
SimpleLogin allows you to create email aliases that forward messages to your real inbox, preventing spam, tracking, and data leaks. It is open-source, privacy-friendly, and can even be self-hosted. A powerful tool for protecting your digital identity when signing up for online services.
Bitmask is a free and open-source client that enables encrypted email and VPN services through compatible providers. Designed for activists and privacy-conscious users, it prioritizes secure communication and resistance to surveillance. Bitmask supports multiple providers and emphasizes transparency and decentralization.
Posteo is a German email provider known for strong privacy policies, anonymous signup, and sustainable green hosting. It offers encrypted storage, no ads, and minimal data collection. Posteo is ideal for users who value ethical infrastructure, transparency, and long-term digital sustainability.
Tuta is a privacy-focused email provider headquartered in Germany, offering automatic end-to-end encryption for emails, contacts, and calendars. It operates without ads, tracking, or data mining and follows strict GDPR regulations. Apps are available for all major platforms, making it a solid choice for users seeking secure everyday email.
K-9 Mail is a long-standing open-source email client for Android focused on security, transparency, and user control. It supports IMAP and POP3 accounts, integrates with OpenPGP for encrypted email, and contains no tracking, ads, or proprietary analytics. Ideal for users who want a trustworthy local email client without relying on closed ecosystems.
BillionMail is an open-source email server and marketing platform that lets you send newsletters, campaigns, and transactional emails with full control. It includes analytics, domain setup, templates, and self-hosted deployment options for complete privacy and scalability.
Cypht is an open-source modular webmail and unified inbox platform that combines multiple email accounts, RSS feeds, and messaging protocols into one privacy-friendly interface with IMAP, SMTP, JMAP, and EWS support.
Mailu is a simple yet full-featured open-source mail server stack built with Docker. It provides SMTP, IMAP, webmail, and admin tools with strong security features like TLS, DKIM, SPF, DMARC, and built-in anti-spam and antivirus protection for self-hosted email infrastructure.