Sending Digitally Signed Messages Using Mozilla Thunderbird

Infineon Security Platform Solution

Start the Mozilla Thunderbird.
Click on Write in the icon bar or File > New > Message to get a blank message template.
Insert the recipient address(es) or select them from a list via the To button.
If you want to add attachments, left click the Attach icon in the icon bar to get a file selection dialog.
Add your text to the Subject field and to the Body Text of the message.
Click on the small arrow button at the Security icon or select Options > Security to get the security configuration menu. Select Digitally Sign This Message to sign your e-mail. It is represented by a signature symbol in the right hand part of the status bar.