Will the donor who contributes via mobile text messages to help the sick, the poor, and orphans be rewarded, and are these messages legitimate?

Donating by sending a blank message to a specific number is a common method to facilitate donations, and these messages are considered a donation equivalent to the value of the message. If they are issued by reliable associations or organizations, then they are valid, and this should be verified. There is reward and recompense in this donation.