The original message was received at Tue, 7 Nov 2023 08:42:38 +0100 from m0316687.ppops.net [127.0.0.1]

----- The following addresses had permanent fatal errors ----- david.alvarze41@educa.madrid.org (reason: 554 Sorry, no mailbox here by that name. (#5.1.1))

----- Transcript of session follows ----- ... while talking to [193.146.123.86]:

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<<< 554 Sorry, no mailbox here by that name. (#5.1.1) 554 5.0.0 Service unavailable <<< 503 RCPT first (#5.5.1)