Exchange中发往通讯组的邮件默认是多久失效，我应如何查看和修改？

Question

Exchange2019中发往通讯组的邮件默认是多久失效，现在好像是3天未审批会失效退信，我应如何查看现在是设置了多久失效，如果需要修改应如何操作？谢谢。

Answer 1

Hi @ting wang

默认情况下，Exchange 2019中发往通讯组的邮件失效时间为2天。

https://learn.microsoft.com/zh-cn/exchange/mail-flow/queues/message-intervals?view=exchserver-2019#configuration-options-for-message-expiration

您可以尝试通过打开Exchange管理控制台，进入“组织配置”部分，然后选择“传输设置”选项卡，再双击“消息过期”来查看或更改此设置。

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