... topicsView messages in a specific folder, 51 Some messages no longer appear on my deviceIf your BlackBerry application memory is full or you have more than 65 00 0 email, PIN, SMS text, and MMS messages, ... To prevent your BlackBerry device from downloading attachments in encrypted messages, change the Retrieve EncryptedAttachment Information field to Never. User Guide Messages 85 The number of ... Validity Period field.4. Press the Menu key. 5. Click Save. User Guide Messages 65 3. Click Options.4. Set the Use Password-Based Encryption field to Yes. 5. In the Allowed Content Ciphers section,...