請參考以下退信原因
原因 |
描述 |
沒有找到該收件者 |
550-5.1.1 The email account that you tried to reach does not exist. |
於帳戶設定內沒有點選「我的(SMTP)伺服器需要驗証」 |
relay not permitted, authentication required |
收件者信箱已滿 |
Recipient's mailbox is full, message returned to sender. |
超過每日限發電郵之上限 |
Unrouteable address |
對方郵箱已滿 |
Quota exceeded |
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