Posteo is described as 'Web- and IMAP-based email service. 4GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used' and is a popular webmail provider in the office & productivity category. There are more than 50 alternatives to Posteo, not only websites but also apps for a variety of platforms, including Android, iPhone, iPad and Android Tablet apps. The best Posteo alternative is Proton Mail, which is both free and Open Source. Other great sites and apps similar to Posteo are Gmail, Tuta Mail, Google Calendar and Proton Calendar.
Zero is an open-source AI email solution that gives users the power to self-host their own email app while also integrating external services like Gmail and other email providers. Our goal is to modernize and improve emails through AI agents to truly modernize emails.
Encrypted email inbox with calendar support, tasks, notes, bulk import, search features, key storage, encrypted cloud storage, file sharing.
Titan is the first business email suite that helps you build deeper, more meaningful relationships with your customers.
Operated exclusively from Switzerland Swissmail ensures exceptional privacy and data protection. Data stored within Switzerland is safeguarded by strong legal frameworks, protecting sensitive communications from unauthorized access and foreign interference.
Providing HIPAA-compliant email, secure email & web services since 1999. Secure communications via email, text, chat, video, and web.
eclipso Mail & Cloud is an complete and secure e-mail system from Germany with many useful and practical functions: Antispam, unlimited email folders, webmail, mobile app, Postoffice, fax and cloud storage. and many more.
PolarisMail is a dedicated e-mail services provider based in Montreal, Quebec, Canada. It offers various paid-for email hosting packages, some of which come with basic functions and others with additional features, such as calendaring and more.
Countermail is a web-based email service. It is hosted in Sweden. Its focus is on privacy. It provides several features, such as PGP support and diskless servers to protect users ability to communicate securely and anonymously.
StayPrivate email encryption ensures that important emails, files and notes stay secure, stay compliant and stay private.
The Gmail you love, now lighter and just as fast. Enjoy a smart inbox that keeps your messages safe and you organized. Receive notifications when mail arrives, then read and respond both online & offline. Plus, find messages quickly with powerful search and lots more.
0xchat is a secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats.
Atomic Mail is a next-generation secure email service built from the ground up for privacy, encryption, and control.
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