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["미개봉수신메일","00000001",null,false,null,"MAIL0000"]
["수신메일","00000001",null,false,null,"MAIL0000"]
["발송메일","00000002",null,false,null,"MAIL0000"]
["미발송메일","00000003",null,false,null,"MAIL0000"]
["휴지통","00000004",null,false,null,"MAIL0000"]
["쪽지메모통","00000005",null,false,null,"MAIL0000"]