K-9 Mail

k9mail.app
K-9 Mail

K-9 (or Thunderbird for Android) is open source, very well supported and trusted - k9 has been around for nearly as long as Android itself! It supports multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures, BCC-self, PGP/MIME & more. Install OpenKeychain along side it, in order to encrypt/ decrypt emails using OpenPGP.

Open Source

K-9 Mail Privacy Policy

Privacy Policy Summary

  • You are not being tracked
  • Features of the website are made available under a free software license
  • The service is open-source

Score

C

Documents

  • Privacy Policy
    Created 16 May 21, Last modified 1 year ago
  • About
    Created 16 May 21, Last modified 1 year ago

About the Data

This data is kindly provided by tosdr.org. Read full report at: #3624

K-9 Mail Source Code

Author

thunderbird

Description

Thunderbird for Android โ€“ Open Source Email App for Android (fka K-9 Mail)

#android#communication#email#mozilla

Homepage

https://thunderbird.net/mobile

License

Apache-2.0

Created

04 Feb 11

Last Updated

12 Jul 26

Latest version

build_2101

Primary Language

Kotlin

Size

188,753 KB

Stars

13,699

Forks

2,762

Watchers

13,699

Language Usage

Language Usage

Star History

Star History

Top Contributors

Recent Commits

  • Rafael Tonholo (10 Jul 26)

    docs: add RFC for new feature flag architecture (#11223)

  • Rafael Tonholo (08 Jul 26)

    chore(deps): bump ch.qos.logback:logback-classic from 1.5.35 to 1.5.37 (#11242)

  • Rafael Tonholo (08 Jul 26)

    feat: Adding Keyboard Incognito (#10975)

  • Rafael Tonholo (08 Jul 26)

    chore(deps): bump com.diffplug.spotless from 8.7.0 to 8.8.0 (#11247)

  • Rafael Tonholo (08 Jul 26)

    docs: add RFC for rendering inline images in plain-text messages (#11180)

  • Vignesh (08 Jul 26)

    feat: Adding keyboard incognito - Added Settings option as toggle selection - AI assisted title and description of setting option

  • Danielle (07 Jul 26)

    chore(deps): bump ktor from 3.5.0 to 3.5.1 (#11243)

  • Wolf-Martell Montwรฉ (07 Jul 26)

    chore(deps): bump org.jetbrains.kotlinx:kotlinx-io-core from 0.9.0 to 0.9.1 (#11245)

  • dependabot[bot] (07 Jul 26)

    chore(deps): bump com.diffplug.spotless from 8.7.0 to 8.8.0 Bumps com.diffplug.spotless from 8.7.0 to 8.8.0. --- updated-dependencies: - dependency-name: com.diffplug.spotless dependency-version: 8.8.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <[email protected]>

  • thunderbird-botmobile (07 Jul 26)

    chore(deps): Update dependency guard files on behalf of @dependabot

  • dependabot[bot] (07 Jul 26)

    chore(deps): bump org.jetbrains.kotlinx:kotlinx-io-core Bumps [org.jetbrains.kotlinx:kotlinx-io-core](https://github.com/Kotlin/kotlinx-io) from 0.9.0 to 0.9.1. - [Release notes](https://github.com/Kotlin/kotlinx-io/releases) - [Changelog](https://github.com/Kotlin/kotlinx-io/blob/master/CHANGELOG.md) - [Commits](https://github.com/Kotlin/kotlinx-io/compare/0.9.0...0.9.1) --- updated-dependencies: - dependency-name: org.jetbrains.kotlinx:kotlinx-io-core dependency-version: 0.9.1 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <[email protected]>

  • dependabot[bot] (07 Jul 26)

    chore(deps): bump ktor from 3.5.0 to 3.5.1 Bumps `ktor` from 3.5.0 to 3.5.1. Updates `io.ktor:ktor-client-core` from 3.5.0 to 3.5.1 - [Release notes](https://github.com/ktorio/ktor/releases) - [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md) - [Commits](https://github.com/ktorio/ktor/compare/3.5.0...3.5.1) Updates `io.ktor:ktor-client-cio` from 3.5.0 to 3.5.1 - [Release notes](https://github.com/ktorio/ktor/releases) - [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md) - [Commits](https://github.com/ktorio/ktor/compare/3.5.0...3.5.1) Updates `io.ktor:ktor-client-content-negotiation` from 3.5.0 to 3.5.1 - [Release notes](https://github.com/ktorio/ktor/releases) - [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md) - [Commits](https://github.com/ktorio/ktor/compare/3.5.0...3.5.1) Updates `io.ktor:ktor-client-logging` from 3.5.0 to 3.5.1 - [Release notes](https://github.com/ktorio/ktor/releases) - [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md) - [Commits](https://github.com/ktorio/ktor/compare/3.5.0...3.5.1) Updates `io.ktor:ktor-serialization-kotlinx-json` from 3.5.0 to 3.5.1 - [Release notes](https://github.com/ktorio/ktor/releases) - [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md) - [Commits](https://github.com/ktorio/ktor/compare/3.5.0...3.5.1) --- updated-dependencies: - dependency-name: io.ktor:ktor-client-core dependency-version: 3.5.1 dependency-type: direct:production update-type: version-update:semver-patch - dependency-name: io.ktor:ktor-client-cio dependency-version: 3.5.1 dependency-type: direct:production update-type: version-update:semver-patch - dependency-name: io.ktor:ktor-client-content-negotiation dependency-version: 3.5.1 dependency-type: direct:production update-type: version-update:semver-patch - dependency-name: io.ktor:ktor-client-logging dependency-version: 3.5.1 dependency-type: direct:production update-type: version-update:semver-patch - dependency-name: io.ktor:ktor-serialization-kotlinx-json dependency-version: 3.5.1 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <[email protected]>

  • dependabot[bot] (07 Jul 26)

    chore(deps): bump ch.qos.logback:logback-classic from 1.5.35 to 1.5.37 Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.5.35 to 1.5.37. - [Release notes](https://github.com/qos-ch/logback/releases) - [Commits](https://github.com/qos-ch/logback/compare/v_1.5.35...v_1.5.37) --- updated-dependencies: - dependency-name: ch.qos.logback:logback-classic dependency-version: 1.5.37 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <[email protected]>

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/feature-flag): refine RFC 0004 to focus on declarative catalog without remote updates - Change scope from OpenFeature adoption to local catalog-only first phase - Remove evaluation context, targeting, and remote provider architecture - Defer OpenFeature integration, remote updates, and rollout to future work - Simplify catalog schema to flags registry with app/build-type overrides - Keep existing FeatureFlagProvider facade and debug override behaviour unchanged

  • Rafael Tonholo (29 Jun 26)

    docs(rfc/feature-flag): add RFC for new feature flag architecture

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/inline-images): remove trailing whitespace and clean up formatting

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/inline-images): convert open questions to non-goals with clear scope decisions

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/inline-images): clarify risk mitigation and remove preference mention

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/inline-images): clarify alternatives section formatting and rationale

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/inline-images): clarify proposal scope and preserve existing cid behaviour

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/inline-images): add standards references for inline attachment behaviour

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/inline-images): remove user preference option - favor correct default behavior

  • Rafael Tonholo (07 Jul 26)

    docs(rfc/inline-images): clarify RFC title and motivation - inline images are not Apple-specific

  • Rafael Tonholo (23 Jun 26)

    docs(rfc/inline-images): add RFC for rendering inline images in plain-text messages

  • Vignesh B (07 Jul 26)

    Merge branch 'thunderbird:main' into keyboard-incognito

  • Danielle (06 Jul 26)

    fix: thread counted as single message in confirmation dialog (#11193)

  • Mohit Sharma (25 Jun 26)

    fix: thread counted as single message in confirmation dialog

  • Wolf-Martell Montwรฉ (03 Jul 26)

    chore(deps): bump JVM target to 17 (#11236)

  • Wolf-Martell Montwรฉ (02 Jul 26)

    chore(build): improve detektAll checks (#11230)

  • Wolf-Martell Montwรฉ (02 Jul 26)

    chore(deps): bump Gradle 9.6.0 -> 9.6.1 (#11226)

K-9 Mail Website

Website

K-9 Mail

K-9 Mail is an open source email client focused on making it easy to chew through large volumes of email

Redirects

Does not redirect

Security Checks

All 65 security checks passed

Server Details

  • IP Address 185.199.110.153
  • Hostname cdn-185-199-110-153.github.com
  • Location California, Pennsylvania, United States of America, NA
  • ISP GitHub Inc.
  • ASN AS54113

Associated Countries

  • US US

Safety Score

Website marked as safe

100%

Blacklist Check

k9mail.app was found on 0 blacklists

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Website Preview

Website preview

K-9 Mail Android App

APK Info

  • App K-9 Mail
  • Creation Date 19 Nov 17
  • Last Updated 19 Jul 24
  • Current Version 5.208
  • Creator K-9 Dog Walkers
  • Downloads 5,000,000+ downloads
  • Privacy Report View on Exodus โ†’

De-Googled Compatibility

Native 3.91 / 4 35 ratings
microG 4.00 / 4 26 ratings
  • GrapheneOS Native 4.0 / 4 (21)
  • LineageOS microG 4.0 / 4 (10)
  • LineageOS Native 4.0 / 4 (9)
  • CalyxOS microG 4.0 / 4 (8)
  • crDroid microG 4.0 / 4 (3)
  • e OS microG 4.0 / 4 (3)

Tested on Android 8โ€“16 ยท Updated 13 May 26 ยท View on Plexus โ†’

Trackers

No trackers found

Permissions

  • Access Network State
  • Internet
  • Read Contacts
  • Read Sync Settings
  • Receive Boot Completed
  • Vibrate
  • Wake Lock
  • Write Contacts
  • Write External Storage
  • Delete Messages
  • Read Attachment
  • Read Messages
  • Remote Control

K-9 Mail Reviews

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About the Data: K-9 Mail

Change History

  • Amended (androidApp)

API

You can access K-9 Mail's data programmatically via our API. Simply make a GET request to:

https://api.awesome-privacy.xyz/v1/services/k-9-mail

The REST API is free, no-auth and CORS-enabled. To learn more, view the API Docs or read the API Usage Guide.

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