Change options for sending and receiving text messages

In the BlackBerry Hub, tap Menu

Settings > Text Messages.

To receive a delivery or read notification for your messages, tap SMS or MMS. Set the Confirm Delivery or Confirm Read switch to On.
To allow other devices to see when you received or read a text message with an attachment, tap the MMS tab. Set the Allow Delivery Confirmation or Allow Read Confirmation switch to On.
To block unwanted MMS messages, tap the MMS tab. Set the Block Anonymous Messages or Block Advertisements switches to On.
To stop receiving MMS messages while you roam, tap the MMS tab. In the Auto Retrieval Mode drop-down list, tap Home Only.