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david.adamcik@zaci.skolafren.cz: host aspmx.l.google.com[142.251.177.26] said: 550-5.7.1 Doručování a příjem zpráv je omezen jen na školní doménu. - 550 5.7.1 gcdp vu13-20020a05620a560d00b007832481720csi8287687qkn.73 - gsmtp (in reply to end of DATA command)