The original message was received at Thu, 31 Jul 2025 19:08:07 -0700 from localhost [127.0.0.1] ----- The following addresses had permanent fatal errors ----- (reason: 550-5.1.1 The email account that you tried to reach does not exist. Please try) ----- Transcript of session follows ----- ... while talking to aspmx.l.google.com.: >>> DATA ... User unknown