A simple question on the Hubzilla Support Forum turned into a fascinating discussion about how you can’t reuse channel addresses (identity@example.social) ever again because some clients/instances will treat it as a forged identity if a new set of keys are issued. One of many example scenarios given were a university screwing up their fediverse instance/hub and having to reinstall it, only to find out that they can’t use admissions@example.edu ever again because other instances will silently ba...