Blackberry 8520 User Guide - Page 69

User Guide Messages 5. Press the Menu key. 6. Click Save. Change the encryption algorithms for S/MIME-protected messages If a message has multiple recipients, your BlackBerry® device uses the first selected encryption algorithm in the list that all recipients are known to support. 1. On the Home screen or in a folder, click the Options icon. 2. Click Security Options. 3. Click S/MIME. 4. Select the check box beside one or more encryption algorithms. 5. Press the Menu key. 6. Click Save. Request delivery notification for signed S/MIME-protected messages 1. On the Home screen or in a folder, click the Options icon. 2. Click Security Options. 3. Click S/MIME. 4. Change the Request S/MIME Receipts field to Yes. 5. Press the Menu key. 6. Click Save. Turn off the prompt that appears before an S/MIME-protected message is truncated 1. On the Home screen or in a folder, click the Options icon. 2. Click Security Options. 3. Click S/MIME. 4. Change the Warn about truncated messages field to No. 5. Press the Menu key. 6. Click Save. To turn on the prompt again, change the Warn about truncated messages field to Yes. Turn off the prompt that appears when you use an S/MIME certificate that is not recommended for use 1. On the Home screen or in a folder, click the Options icon. 2. Click Security Options. 3. Click S/MIME. 4. Change the Warn about problems with my certificates field to No. 5. Press the Menu key. 6. Click Save. To turn on the prompt again, change the Warn about problems with my certificates field to Yes. 67