Rather than screen all messages and notifications from unknown senders, you can allow certain ones to appear in the main list.
At the same settings screen for Messages, tap the option for “Allow Notifications.” At the next screen, turn on the switches for any of the notifications that you don’t wish to filter –Time Sensitive, Personal, Transactions, or Promotions.
At the very least, you’ll want to enable the one for Time Sensitive. You can then play around with the other three choices.
