Frequently Asked Questions

Android mobile phone instructions

Please Click here for a step by step guide how to add an account with images.

Please Click here for a step by step guide how to decrypt with images.

More info about other K9 settings:https://github.com/k9mail/k-9/wiki/Manual


Android instructions


  1. Connect your Android-phone with the USB-cable, mount it as a drive.
  2. Login to your web mail account from your computer, Go to Settings / Personal Information / click on [Show keys] and enter your password.
  3. If you entered the correct password you will see your keys under the [Show keys]-button.
  4. Click on [Save IMAP-key] and save the file (imapkey.asc) on your mobile drive.
  5. Click on [Save PrivKey] and save the file (privkey.asc) on your mobile drive.
  6. Go to [Contacts] in the upper menu, select all public keys that you want to export, click on [Export keys] and save the file (pubkeys.asc) on your mobile drive.
  7. Disconnect your phone
  8. On your phone, go to Market
  9. Install "OpenKeyChain" (https://www.openkeychain.org)
  10. Install "TxtPad lite"
  11. Install "K9 Mail" app (http://code.google.com/p/k9mail/wiki/Home)
  12. Start the app "TxtPad Lite" and Open File "imapkey.asc" from the SD-card, select and copy the key (press and hold finger, select copy all)
  13. Start the app "OpenKeyChain", go to # -> Manage Secret Keys -> # -> Import Keys, use File Browser to import the file "privkey.asc" from the SD-card, click "[x] Delete after import", go back in OpenKeyChain and also Import your friends Public keys from the file "pubkeys.asc" (Manage Public Keys)
  14. Start the app "K9 Mail", create a new account with these settings: 

    Incoming IMAP-server:
    IMAP: imap1.countermail.com
    Auth type: Cram-MD5 (Encrypted password)
    Security: "SSL Always"
    Port: 993
    Username youraccount@countermail.com (in lowercase)
    Password: paste your IMAP-key* (press and hold your finger and select Paste) 

    K9 will now test the connection, if something went wrong you will get an error message, otherwise proceed.

    Outgoing SMTP-server:
    SMTP: imap1.countermail.com
    Security: "SSL Always"
    Port: 465
    Click [x] Require login
    Auth type: Cram-MD5 (Encrypted password)
    Username youraccount@countermail.com (in lowercase)
    Password: paste your IMAP-key* (press and hold your finger and select Paste)

    K9 will now test the connection, if something went wrong you will get an error message, otherwise proceed.

  15. Go to Account Settings \ Sending mail \ Message Format \ select "Plain text"
  16. Start the app "File Browser" and delete the file "imapkey.asc"
  17. Done!

    *NOTE: The IMAP-key is always of 32 characters long. Make sure you don't have any blank spaces or new lines. If you change the password on your account (or activates our USB-key) you must export and import the new IMAP-key into the K9 app, on your mobile.


 Last updated Sun, Oct 6 2013 01:00

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