On Wed, 2025-05-21 at 15:16 +0100, Joe wrote: > There was a time you could have emailed postmaster@<domain> and asked > that a message be forwarded to the person, but I think now few > domains actually have a postmaster user or alias.
Any mailserver accepting mail for a particular domain without having a properly configured postmaster address is not spec-compliant (and probably deserves to be blacklisted). https://www.rfc-editor.org/rfc/rfc5321.html#section-4.5.1 (That doesn’t mean the people behind the address have to forward random mail, of course.) -- Jan Claeys (please don't CC me when replying to the list)
