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798201@nsdstu.org: host aspmx.l.google.com[142.250.107.27] said: 550-5.7.1 Message rejected. Neshaminy School District students are only allowed 550 5.7.1 to send and receive email messages from internal domains. - gcdp p27-20020a056a000a1b00b006e03efbcb47si2053627pfh.347 - gsmtp (in reply to end of DATA command)