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R2Mail2 is an Android email client with built-in encryption and digital signature features for secure, private communication on your mobile device.
Send encrypted emails securely on Android
R2Mail2 is an email client designed specifically for Android devices, giving you a secure way to manage your emails on the go. What makes it stand out is its strong focus on privacy and security, offering built-in support for digital signatures and encryption using personal soft-token keys. This means you can send and receive encrypted messages or sign your emails to prove their authenticity, all from your phone.
Whether you get your keys from a trust center or generate them with PGP tools, R2Mail2 makes it simple to use advanced cryptographic features without sacrificing the convenience of a full-featured mail app. If keeping your email communication private and protected is important to you, this app is designed to make secure emailing straightforward and accessible on Android.
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Mailfence offers secure, private email with built-in encryption and no ads or trackers, all protected by strict Belgian privacy laws.
Posteo offers secure, ad-free email accounts with strong privacy, no personal data collection, and eco-friendly hosting. Calendars and contacts included.
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mailbox.org offers secure, ad-free email, cloud storage, and online office tools for individuals and businesses, all powered by green energy in Germany.
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Get a disposable email address instantly—no sign up, no hassle. Protect your inbox from spam with temporary emails that last 60 minutes.
FlowCrypt adds easy PGP email encryption to Gmail, letting you send and receive secure messages right from your inbox with a simple Chrome extension.
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Devro LABS offers privacy-focused tools and email productivity services, helping users protect their data and streamline online communication.
Firefox Relay lets you create email and phone masks to protect your real inbox and number, helping you avoid spam and keep your identity private online.
OK.de offers secure email and messaging services, making it easy to manage your communications online with privacy and convenience.
nununuMail offers a secure email service designed for smartphone users in Japan, supporting modern connectivity like 3G, LTE, and MVNO SIM cards.
Access your email and more securely with the Usermin Web Application. MartNet Support helps you manage messages and account features online.
Send emails from your code without server setup. EmailJS lets you add attachments, use dynamic fields, and get started for free—no backend needed.
Thunderbird is a free, open-source email and productivity app that helps you manage email, calendars, and contacts on desktop and mobile devices.
eM Client is an email app for Windows and Mac that lets you manage email, calendars, contacts, tasks, and chat all in one place.
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Worldwide R2mail2.com Alternatives
Temp-Mail lets you create disposable email addresses instantly to protect your privacy and avoid spam when signing up for websites or services.
MoeMail 提供安全、快速的一次性临时邮箱，帮助您保护隐私、避免垃圾邮件，并支持邮件即时接收和自动失效。
PSMail.net offers secure, private email, VPN, calendar, and video conferencing services to help individuals and organizations protect their communication.
Create free, secure disposable email addresses to protect your privacy and avoid spam when signing up for online services.
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Mutt is a flexible, open source email client for power users, offering advanced features and customization for managing email from the command line.
Access your institutional email and communication tools for Scuola Superiore Sant'Anna through a secure online portal. Login required.
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