5 ms·
There are cheaper and less risky ways to understand if a number is valid. STOP will legitimately unsubscribe the recipient from messages from this phone number.
by mikesabat 2y ago
There are cheaper and less risky ways to understand if a number is valid. STOP will legitimately unsubscribe the recipient from messages from this phone number.
- blackeyeblitzar 2y agoThere aren’t more reliable ways to know if the number is valid and actively used. Relying means that number will receive spam from many other numbers later.