Earlier quoted context omitted.
I received the email on Monday. I, too, was in the boat of having friends & family using it. It was a mistake to trust their promises, but this was from back in the day of "do no evil." They said free forever, now ask me for >$1000 a year. The insane thing is that almost everyone affected by this is likely to be highly technical, and in positions in which they have a say in how corporate spend happens. I migrated awa…
I'm in the same boat as you, as my whole family has been using a custom domain for 15 years. What did you migrate your users to? Did you manage to transfer emails/calendars?
iRedMail stack on a hetzner machine. Migrated mails with getmail and dovecot import, but it isn't perfect, and no calendar etc. But nobody is ever kicking me off a platform again.