The original message was received at Tue, 28 Jan 2025 10:08:27 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 551 5.7.1 Message blacklisted for spam content GSIIC-N06) ----- Transcript of session follows ----- ... while talking to aspmx.l.google.com.: >>> DATA ... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please ... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please >> DATA ... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please >> DATA ... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please >> DATA ... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please >> DATA ... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... while talking to aspmx2.googlemail.com.: >>> DATA >> DATA ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... while talking to mail21.hmail.sg.: ,... Deferred: 421 mail11.hmail.sg closing connection ... while talking to mx1.smtp.goog.: >>> DATA >> DATA >> DATA >> DATA ,... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... while talking to smtp.uc.pt.: >>> DATA