Forgive me if this is the wrong address.
I went to https://postgresteam.slack.com/join/signup <https://postgresteam.slack.com/join/signup> but found that my email address has an unknown domain. It says "Don’t have an email address from one of those domains? Contact the workspace administrator at Postgres for an invitation." The word "Postgres" is bolded. But it isn't a link.
What must I do to join?