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74268850@star.edu.pe: host aspmx.l.google.com[2607:f8b0:4001:c13::1a] said: 550-5.7.1 Tu cuenta está restringida solo al intercambio de correos electrónic 550 5.7.1 os con dominio star.edu.pe - gcdp gl25-20020a0566386ad900b00484c3c8cfb1si8619302jab.148 - gsmtp (in reply to end of DATA command)