K-9 Mail

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.
K-9 Mail image
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

  1. Open source email client for Android
  2. Supports IMAP, POP3 and Exchange 2003/2007
  3. Multiple account support
  4. Full PGP/MIME support
  5. Search messages
  6. Message tagging
  7. Notification options
  8. 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


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