Nubo Email

Nubo Email is a fast, private email client for your own mail server. Connect to any JMAP-compatible server (such as Stalwart) and keep your mail, calendar, and contacts in one secure app — no third-party servers in the middle, no ad tracking, no mining your inbox. Built for people who run their own email or use a privacy-first provider, Nubo Email puts you in control of your data. WHAT YOU CAN DO • Sign in to any JMAP mail server in seconds — scan a QR code from webmail or enter your server details • Manage multiple accounts side by side and switch between them instantly • Read, search, and organize email with fast threaded conversations • Compose, reply, forward, and attach files, photos, or documents • View your calendar and events alongside your mail • Browse your contacts and address book • Get real-time push notifications for new mail • Receive in-app updates as new versions ship PRIVATE BY DESIGN • Direct connection to your own server — your messages are not routed through us • No advertising, no tracking, no inbox scanning • Credentials stored securely on your device • Open source under the AGPL-3.0 license WHO IT'S FOR Nubo Email is ideal if you self-host your email, use a JMAP-based provider, or simply want a clean, modern mail app that respects your privacy. BETA NOTICE Nubo Email is under active development. Some features — including filters and rules, S/MIME, themes, and file storage — are still in progress, and you may encounter bugs. We don't yet recommend it as your only email app. Your feedback helps us improve. Requires a JMAP-compatible mail server. Nubo Email is a client app and does not provide email hosting.