Mailflow rule does not work properly

liuwei@cesm 631 Reputation points


Rule to allow member to recieve insider organization mails and one specified mailbox outside only. all other mails deleted.

The mails from that specified mail address not pass through and recieved. which the mails are deleted.

Please give advice what configuration I lost?

Liu Wei

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. liuwei@cesm 631 Reputation points


    suggestions did not fix the issue.

    I further checked and found if outside sender sending mail to this group, the rule does not work. Inside sender mails sending to this group is ok.

    if the outside sender sending directly to individianl mailbox, the mailflow rule will work.

    It sounds if I like the rule working, I would like to inform outside partner send the mail one by one intead of send group.

    Liu Wei

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  1. Vasil Michev 94,911 Reputation points MVP

    Post the rule details here. A common problem is matching the address, make sure that the rule has the "Header or envelope" setting selected (under "Match sender address in message").

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  2. Yuki Sun-MSFT 40,781 Reputation points

    Hi @liuwei@cesm

    Aside from the suggestion provided by michev, it's also suggested to try replace the external gmail account with the complete email address and check the result:

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