To set Out of office vi Black Berry .

• Go to Messages
• Click the wheel and select Options
• Navigate to  Email Settings.
• Scroll down to Use Out Of Office Reply and change it to Yes.
• This will display a space under the line where you can compose your OOO message.

Use Separate Icon for SMS messages, and for regular email messages. Since OS 4.2.1.xx on Curve and Pearl Blackberry Devices ,there is possibility to separate email messages and SMS/MMS messages indicators . Go under Messages, hit on menu button, go to General Options, scroll down to SMS and Email boxes and you now have three choices! Theme Controlled - Some themes automatically have a separate SMS icon . That option just leaves it up to the theme default. Combined - Will deliver SMS messages Read more

Solution: Generate a new Encryption Key. On your BlackBerry handheld, click Options > Security Scroll down to the Services section. Select the listing that is like "Desktop [some number] (3DES) Click the trackwheel and select Regenerate Encryption Key. Note:  If you don't find this option under Options > Security, you may need to look under Options > Security > General Settings on your device. Read more