In case you haven't seen it, Fastmail supports subdomain addressing [0]. I use that to create ad hoc aliases for most services I sign up for and they don't clut

In case you haven't seen it, Fastmail supports subdomain addressing [0]. I use that to create ad hoc aliases for most services I sign up for and they don't clutter up the UI. [0] -- https://www.fastmail.com/help/receive/addressing.html https://www.fastmail.com/help/receive/addressing.html