If your message is urgent, we would always recommend that you place a phone call rather than sending a text. However, please be advised that text messaging is not a guaranteed feature and messages can be delayed, corrupted or on occasion, fail to send. I've tried to create one with the condition that received time is greater than a value (I set 5.
I am trying to create a Flow that will send me a notification that one is stuck in that folder. Occasionally, about 1 or 2 times per week, I have an email that gets stuck in my outbox for unknown reasons.