BarryP (vandyke4ad@mas.to)'s status on Wednesday, 08-May-2024 18:07:03 JST

@lain @kaia @hakui Our domain host (UK2.net) used to allow this, but stopped ten years (or more) ago.
Although this allowed users (inc. me) to invent email addresses like your “carpet@” example, spammers did the same, by adding their own prefix@ to UK2-hosted domain names.