If you got a forbidden response it probably thought you were trying to send a link. Make sure you have no . in your message and try again
Cheogram Android has the send half of URL preview. I will be adding display on the receive side this year when I get the time.
You mean you’ll only see content from people you follow and only people who follow you will see you content? Sounds like working as intended the way things were meant to be.
You can’t forward SMS due to how the protocol works, but calls you can forward using the “configure calls” command with the bot. Set the URI to tel:+15551234567