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310546@student.tmisd.us: host aspmx.l.google.com[74.125.142.27] said: 550-5.7.1 This message has been rejected as this student is not able to send or 550 5.7.1 receive external mail. - gcdp d2e1a72fcca58-73bd22d060bsi10298269b3a.166 - gsmtp (in reply to end of DATA command)