RFC 2142 gives a nice snapshot of "standard" email address conventions as of almost exactly 20 years ago. There's no real need for a "noreply" address to be st

RFC 2142 gives a nice snapshot of "standard" email address conventions as of almost exactly 20 years ago. There's no real need for a "noreply" address to be standardized or conventional, though. Nobody except someone at that particular domain should be introducing noreply@ addresses into the email system (and hopefully only as reply-to addresses).