K-9 Mail
K-9 Mail is an open source email client for Android focused on security and privacy. It supports multiple accounts, search, tagging, notifications and more.
opensource
security
privacy
android
K-9 Mail: Open Source Email Client for Android
K-9 Mail is an open source email client for Android focused on security and privacy. It supports multiple accounts, search, tagging, notifications and more.
What is K-9 Mail?
K-9 Mail is a free and open source email client for Android devices. It is designed with security, privacy, and productivity in mind.
Some key features of K-9 Mail include:
- Support for multiple email accounts and providers like Gmail, Outlook, Yahoo, and more
- Automatic encryption via OpenPGP for secure email communication
- Message search, tagging, and customizable notifications
- Integration with Android app features like contacts and calendar
- Intuitive interface with dark mode options
- Open source code that is regularly audited and updated
K-9 Mail allows easy management of multiple email accounts on an Android device while protecting user privacy. Its focus on encryption and open development make it a good choice for security-conscious users.
K-9 Mail Features
Features
- Open source email client for Android
- Supports IMAP, POP3 and Exchange 2003/2007
- Multiple account support
- Full PGP/MIME support
- Search messages
- Message tagging
- Notification options
- Dark mode
Pricing
- Open Source
Pros
Free and open source
Strong focus on privacy and security
Active development community
Highly customizable
Lightweight and fast
Cons
Lacks some features of proprietary email apps
Less intuitive UI than some alternatives
PGP support can be tricky to set up
Some stability issues on newer Android versions
Official Links
The Best K-9 Mail Alternatives
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