Thunderbird & K-9 Mail for Android

Problems, questions and discussions about the Thunderbird App (currently known as K-9 Mail) for Android. Support for the current K-9 Mail can also be provided here.

    2. Mobile Progress Report – April 2026 9

      • graba
      • May 15, 2025 at 11:37 PM
      • graba
      • August 10, 2026 at 10:45 PM
    3. Replies
      9
      Views
      6k
      9

    4. graba

      August 10, 2026 at 10:45 PM

    2. Thunderbird For Android Progress Reports 16

      • graba
      • January 26, 2024 at 5:48 AM
      • graba
      • November 15, 2025 at 1:00 AM
    3. Replies
      16
      Views
      14k
      16

    4. graba

      November 15, 2025 at 1:00 AM

    2. Test the Thunderbird for Android Beta! 3

      • graba
      • September 30, 2024 at 11:51 PM
      • graba
      • May 12, 2025 at 2:42 PM
    3. Replies
      3
      Views
      3.7k
      3

    4. graba

      May 12, 2025 at 2:42 PM

    2. The Road to Android 16

      • graba
      • November 25, 2022 at 3:56 PM
      • graba
      • February 1, 2025 at 8:02 PM
    3. Replies
      16
      Views
      12k
      16

    4. graba

      February 1, 2025 at 8:02 PM

    2. Thunderbird for Android 8.0 (Stable Release) is Out!

      • graba
      • October 30, 2024 at 5:08 PM
      • graba
      • October 30, 2024 at 5:08 PM
    3. Replies
      0
      Views
      2.7k

    2. Thunderbird Android Planning

      • graba
      • October 1, 2024 at 12:02 AM
      • graba
      • October 1, 2024 at 12:02 AM
    3. Replies
      0
      Views
      2.7k

    2. K-9 Mail wird Thunderbird für Android 24

      • edvoldi
      • June 15, 2022 at 3:11 PM
    3. Replies
      24
      Views
      14k
      24

    4. Susi to visit

      June 15, 2022 at 3:11 PM

    2. Spam Ordner leeren ohne Funktion 3

      • Hans1234
      • August 4, 2026 at 11:21 AM
    3. Replies
      3
      Views
      829
      3

    4. s_hentzschel

      August 4, 2026 at 11:21 AM

    2. Keine automatische Mailabfrage 4

      • juergenz
      • August 1, 2026 at 11:52 AM
    3. Replies
      4
      Views
      421
      4

    4. juergenz

      August 1, 2026 at 11:52 AM

    2. Thunderbird App Kontenliste Anzeigen 1

      • Tobipro
      • July 29, 2026 at 5:05 PM
    3. Replies
      1
      Views
      385
      1

    4. ThoBa

      July 29, 2026 at 5:05 PM

    2. IMAP-Konto kann Ordnerliste nicht abrufen

      • spanchard
      • July 22, 2026 at 9:12 PM
    3. Replies
      0
      Views
      260

    2. Einstellungen importieren / QR Code scannen funktioniert nicht 8

      • gjahaab
      • July 17, 2026 at 10:16 AM
    3. Replies
      8
      Views
      1.5k
      8

    4. Norweger

      July 17, 2026 at 10:16 AM

    2. Ein seltsamer Fehler in der K-9 App 1

      • gavryl
      • July 2, 2026 at 3:19 PM
      • gavryl
      • July 2, 2026 at 8:15 PM
    3. Replies
      1
      Views
      649
      1

    4. ggbsde

      July 2, 2026 at 8:15 PM

    2. wo steht die Uhrzeit einer empfangenen Mail von den Vortagen 3

      • pope5
      • June 29, 2026 at 2:41 PM
      • pope5
      • June 30, 2026 at 6:21 PM
    3. Replies
      3
      Views
      647
      3

    4. pope5

      June 30, 2026 at 6:21 PM

    2. Fehler beim Herunterladen mehrerer Anhänge 1

      • WolfgangW
      • June 24, 2026 at 10:17 PM
    3. Replies
      1
      Views
      608
      1

    4. ggbsde

      June 24, 2026 at 10:17 PM

    2. Outlook Mail bringt nur noch Authentifizierungsfehler 3

      • suuper
      • June 19, 2026 at 5:26 PM
      • suuper
      • June 24, 2026 at 11:23 AM
    3. Replies
      3
      Views
      902
      3

    4. RR512

      June 24, 2026 at 11:23 AM

    2. K9mail v19.2 & Datei speichern & springende Verzeichnisstruktur 1

      • Kahl-Schlag
      • June 15, 2026 at 6:10 PM
    3. Replies
      1
      Views
      682
      1

    4. ggbsde

      June 15, 2026 at 6:10 PM

    2. Konfiguration Postausgangsserver

      • harosch
      • June 15, 2026 at 5:03 PM
    3. Replies
      0
      Views
      585

    2. löschen von mails in TB Android verhindern 19

      • pope5
      • May 27, 2026 at 6:03 PM
      • pope5
      • June 5, 2026 at 7:44 AM
    3. Replies
      19
      Views
      2k
      19

    4. AndyC

      June 5, 2026 at 7:44 AM

    2. POP3 - Emails werden im GMX Account nicht gelöscht 1

      • legerdemain
      • May 26, 2026 at 10:06 PM
    3. Replies
      1
      Views
      963
      1

    4. ThoBa

      May 26, 2026 at 10:06 PM

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