Download K-9 Mail APK
Supports installation on external storage.
Target: Android 9.0 (Pie, API 28)
What's new in K-9 Mail
The back button now closes the side drawer instead of exiting the app immediately
Fixed "Download complete message" for POP3 accounts
Fixed bug that could lead to some messages not being synchronized with an IMAP server
Fixed bug where sometimes subjects weren't encoded properly
Fixed crash when changing theme
'Manage folders' now displays folders in the same order as the side drawer
About K-9 Mail
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!
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 5.702 variants
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:6.801(38001) for Android 5.0+ (Lollipop, API 21)
Uploaded:March 11, 2024 at 1:17PM UTC
File size:9.64 MB
Downloads:168
Version:6.800(38000) for Android 5.0+ (Lollipop, API 21)
Uploaded:February 29, 2024 at 3:50PM UTC
File size:9.61 MB
Downloads:147
Version:6.717(37017) for Android 5.0+ (Lollipop, API 21)
Uploaded:February 16, 2024 at 6:39PM UTC
File size:9.61 MB
Downloads:85
Version:6.716(37016) for Android 5.0+ (Lollipop, API 21)
Uploaded:February 15, 2024 at 9:21PM UTC
File size:9.61 MB
Downloads:31
Version:6.715(37015) for Android 5.0+ (Lollipop, API 21)
Uploaded:February 11, 2024 at 2:00AM UTC
File size:9.67 MB
Downloads:34
Version:6.714(37014) for Android 5.0+ (Lollipop, API 21)
Uploaded:January 5, 2024 at 1:13PM UTC
File size:9.56 MB
Downloads:95
Version:6.713(37013) for Android 5.0+ (Lollipop, API 21)
Uploaded:December 8, 2023 at 7:19AM UTC
File size:9.52 MB
Downloads:77
Version:6.603(36003) for Android 5.0+ (Lollipop, API 21)
Uploaded:October 12, 2023 at 12:17PM UTC
File size:7.94 MB
Downloads:286
Version:6.711(37011) for Android 5.0+ (Lollipop, API 21)
Uploaded:October 5, 2023 at 7:12PM UTC
File size:9.57 MB
Downloads:79
Version:6.710(37010) for Android 5.0+ (Lollipop, API 21)
Uploaded:August 20, 2023 at 5:01AM UTC
File size:9.59 MB
Downloads:133
Version:6.801
Uploaded:March 11, 2024 at 1:17PM UTC
File size:9.64 MB
Downloads:168
Version:6.800
Uploaded:February 29, 2024 at 3:50PM UTC
File size:9.61 MB
Downloads:147
Version:6.717
Uploaded:February 16, 2024 at 6:39PM UTC
File size:9.61 MB
Downloads:85
Version:6.716
Uploaded:February 15, 2024 at 9:21PM UTC
File size:9.61 MB
Downloads:31
Version:6.715
Uploaded:February 11, 2024 at 2:00AM UTC
File size:9.67 MB
Downloads:34
Version:6.714
Uploaded:January 5, 2024 at 1:13PM UTC
File size:9.56 MB
Downloads:95
Version:6.713
Uploaded:December 8, 2023 at 7:19AM UTC
File size:9.52 MB
Downloads:77
Version:6.603
Uploaded:October 12, 2023 at 12:17PM UTC
File size:7.94 MB
Downloads:286
Version:6.711
Uploaded:October 5, 2023 at 7:12PM UTC
File size:9.57 MB
Downloads:79
Version:6.710
Uploaded:August 20, 2023 at 5:01AM UTC
File size:9.59 MB
Downloads:133