It depends on the carrier and on the sender ... most people don't get delivery reports back.
> Email, by contrast, hasn't got any reports that any decent human being would use
Yes it has, you can embed tracking pixels in it. Not really reliable though.
It depends on the carrier and on the sender ... most people don't get delivery reports back.
> Email, by contrast, hasn't got any reports that any decent human being would use
Yes it has, you can embed tracking pixels in it. Not really reliable though.