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list – unethost無限空間虛擬主機 技術分享部落格

如何透過第三方網站,查看退信IP的狀況

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今天有獨立主機用戶,其公司的信箱被國外的客戶退信,
退信部份,還有顯示相當的log說明,內容大致上是:
SMTP error from remote mail server after end of data:

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