I think this is generally how election texting campaigns work, in terms of human interaction required when I once tried it, due to laws against robocampains. A

I think this is generally how election texting campaigns work, in terms of human interaction required when I once tried it, due to laws against robocampains. A real human has to press a button for each text sent and then receive any replies. Probably for online, similarly one post would be allowed for each individual human approval, unless you ad the bot disclaimer.