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![Outlook Express 寄信出現550 5.7.1 Client does not have permissions to send as this sender 錯誤 - Jerry_IT資](https://www.iarticlesnet.com/pub/img/site/s_11.jpeg)
Outlook Express 寄信出現550 5.7.1 Client does not have permissions to send as this sender 錯誤 - Jerry_IT資
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日期:2024-08-26
環境中郵件主機為Exchange Server 2010,使用者端使用Outlook Express設定POP3 & SMTP,設定完成後,寄信時,不管對內或對外,信件就會出現如下圖錯誤訊息,550 5.7.1 Client does not have permissions to send as this sender ,錯誤碼為【0x800CCC69 ......看更多