>They can basically disable your access to their services (Office, Windows, etc.) if they don’t like what you’re saying.
They've been doing it for years on hotmail. I get "cannot deliver" notices every day if it's a meme or link they don't approve of. It's not the settings, it's censorship.
"Delivery has failed to these recipients or groups:XXXXXXX@XXXXXXX.COM
Your message couldn't be delivered. Despite repeated attempts to contact the recipient's email system it didn't respond".