Here is the report of the last Message Blast

952 people have turned on READ RECEIPT and have saved your number and they opened your message on their phone

1102 messages were sent but we don't know if your message was read or not, because the person has not saved your number on their phone, and/or have turned OFF READ RECEIPT

281 Messages were were sent, but not delivered

30 numbers are invalid, which should be unsubscribed