Turn off the prompt that appears before an S/MIME or a PGP protected message is cut short

  1. On the home screen or in a folder, click the Options icon.
  2. Click Security > S/MIME or PGP.
  3. In the General section, change the Truncation Mode field to Send Anyway or More All And Send.
  4. Press the Menu key > Save.
To turn on the prompt again, change the Truncation Mode field to Prompt User.