Bluesky managed to go offline practically entirely. I count on you folks to spork the hell out of this.
See also here.
4 points
changing a provider is as simple as
making sure every single account you had that is tied to your email now points to a correct new one. And also informing every one of your contacts of the change, which is easier but also less efficient since half of them is going to miss the announcement and keep writing to an email that no longer exists