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s194251@student.k12northstar.org: host aspmx.l.google.com[108.177.98.26] said: 550-5.7.1 Your email has been rejected because you are not authorized to send 550 5.7.1 email to this recipient. - gcdp ay39-20020a056a00302700b006e0e24311b5si3530137pfb.109 - gsmtp (in reply to end of DATA command)