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Download K-9 Mail 5.400 APK
Target: Android 5.1 (Lollipop MR1, API 22)
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What's new in K-9 Mail 5.400
- New widget: Message List
- Improved OpenPGP support
- New OpenPGP flow, adhering to Autocrypt specification
- Recipient search now includes nicknames
- Better support for multi-window
- Fixed bug that could lead to attachments not being displayed
- Many more bugfixes and optimizations
- Added translations: Albanian, Breton, Esperanto, Gaelic (Scottish), Icelandic, Indonesian, Welsh
About K-9 Mail 5.400
K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures, BCC-self, PGP/MIME & more!
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K-9 supports IMAP, POP3 and Exchange 2003/2007 (with WebDAV).
Install the app "OpenKeychain: Easy PGP" to encrypt/decrypt your emails using OpenPGP.
K-9 is a community developed project. If you're interested in helping to make the most popular open source email client on Android even better, please join us! You can find our bug tracker, source code, mailing list and wiki at github.com/k9mail/k-9
We're always happy to welcome new developers, designers, documenters, bug triagers and friends.
If you're having trouble with K-9, please report a bug at github.com/k9mail/k-9 rather than just leaving a one-star review. We don't mind you telling the world that you're frustrated, but if you use our bug tracker, we have a better chance of fixing whatever's giving you a hard time.
You can find K-9's release notes at: bit.ly/new-k9
(People sometimes call K-9: K9, K9 Mail, K-9 Email, K9 Email, K9 E-Mail, k9mail or k9email.)
K-9 Mail 5.400 variants
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:10.0
Uploaded:May 19, 2025 at 1:05PM UTC
File size:10.22 MB
Version:5.600(26000) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:September 2, 2018 at 7:41PM UTC
File size:4.58 MB
Downloads:5,366
Version:5.503(25030) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:May 22, 2018 at 6:03PM UTC
File size:4.58 MB
Downloads:379
Version:5.403(23630) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:January 7, 2018 at 5:26AM UTC
File size:5.06 MB
Downloads:1,234
Version:5.400(23600) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:December 31, 2017 at 5:03AM UTC
File size:5.06 MB
Downloads:434
Version:5.208(23271) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:September 5, 2017 at 9:06PM UTC
File size:4.53 MB
Downloads:365
Version:5.207(23270) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:August 1, 2017 at 4:15PM UTC
File size:4.53 MB
Downloads:440
Version:5.202(23220) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:January 5, 2017 at 5:52PM UTC
File size:4.45 MB
Downloads:607
Version:5.010(22010) for Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)
Uploaded:April 4, 2016 at 5:05PM UTC
File size:2.95 MB
Downloads:434
Version:10.0
Uploaded:May 7, 2025 at 6:45AM UTC
File size:10.22 MB
Downloads:75
Version:9.0
Uploaded:May 7, 2025 at 6:45AM UTC
File size:10.68 MB
Downloads:5
Version:9.0b3
Uploaded:December 16, 2024 at 7:06PM UTC
File size:10.13 MB
Downloads:107
Version:8.2
Uploaded:December 12, 2024 at 2:07PM UTC
File size:10.66 MB
Downloads:193
Version:8.1
Uploaded:November 8, 2024 at 10:51AM UTC
File size:10.07 MB
Downloads:153
Version:8.0
Uploaded:October 30, 2024 at 5:20PM UTC
File size:10.06 MB
Downloads:129
Version:8.0b5
Uploaded:October 30, 2024 at 6:41AM UTC
File size:10.06 MB
Downloads:34
Version:8.0b4
Uploaded:October 23, 2024 at 12:41AM UTC
File size:10.21 MB
Downloads:47
Version:8.0b3
Uploaded:October 16, 2024 at 9:49AM UTC
File size:10.72 MB
Downloads:48
Version:8.0b2
Uploaded:October 9, 2024 at 6:56PM UTC
File size:10.7 MB
Downloads:51
