Using the Guard

Encrypting E-Mail Conversations

3.2.2. Sending encrypted E-Mail Messages

The following options are available:

  • Sending an encrypted E-Mail. Only you and the recipient can read the E-Mail content.

    Warning: When sending an encrypted E-Mail draft, the draft will be deleted when being sent from the Drafts folder.

  • Sending an E-Mail with a signature. The signature ensures that the recipient is able to recognise whether the E-Mail content has been changed on the transport.

  • Sending an encrypted E-Mail with a signature.

How to send an encrypted E-Mail:

  1. Compose an E-Mail in the E-Mail app as usual.

    In the Compose new E-Mail page, click the Encrypt icon on the upper right side.

    You can also click on Security below the subject. Enable Encrypt.

    Icons next to the recipients indicate whether the message can be encrypted for this recipient. If hovering over an icon, a description will be displayed.

  2. In order to show additional options, click on Security. You can activate the following options.

    • In order to additionally sign the E-Mail, enable Sign.

    • In case the recipient's E-Mail client does not support PGP, the message should be readable though, enable PGP Inline. If you use this setting, you can not send E-Mail messages in HTML format.

  3. Click on Send secure.

    When sending to external recipients, a window is displayed that allowssending notes for opening the encrypted E-Mail to the external recipients.

    When initially sending an encrypted E-Mail to an external recipient, the latter receives an E-Mail attachment with your public key.