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請問有些信傳送不出去卡在佇列,錯誤訊息 421 4.4.2 Connection dropped due to SocketError. RRS feed

  • 問題

  • 大家好,請教

    Exchange 2010 寄出去的信多數都正常,但有少數幾家公司的郵件會在佇列上出不去,訊息如下

    451 4.4.0 Primary target IP address responded with:  "Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts."

    請問這該怎麼解決,感謝回答
    2013年7月2日 上午 05:54

解答