[問題] 收到兩封被退信通知已刪文
剛剛信箱收到兩封被退信通知，但我並沒有轉寄文章到信箱，
再且那信箱也好多年沒用了，為什麼這次會突然寄退信通知？
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This is the mail system at host node.ptt.cc.
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※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 218.187.179.28
※ 文章網址: https://www.ptt.cc/bbs/PttNewhand/M.1552392917.A.12B.html
※ 編輯: jingc (218.187.179.28), 03/12/2019 20:15:42