> What do other Matrix servers matter to my hypothetical Element Home server or my selfhosted matrix-synapse server? Matrix is federated, like email. Once you

> What do other Matrix servers matter to my hypothetical Element Home server or my selfhosted matrix-synapse server? Matrix is federated, like email. Once you send a message to someone on another server, what happens to it is out of your / your server's control. (E.g., Google's Terms of Service apply to Gmail, but you can use Gmail to send mail to someone at Yahoo... at which point it's beyond Google's reach.)