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    Dear Technical Team, After Creation SPF Record in local DNS and Enable the Sender ID (Sett-SenderIDConfig - SpoofedDomainAction Rejected) in Exchange Server , we are not able to receive the email from the domains whit on SPF record Set to block (-all) all other domain like gmail.com, hotmail.com and yahoo.com we have no problem.

    Note: the following are the massage: 

    Delivery Status: Rejected  


    		  Delivery Detail: host EX01[EX01] said: 550 5.7.1 Sender ID (PRA) Not Permitted (in reply to end of DATA command)  

    		  Delivery Time: 2020-06-08 10:19:46



    Monday, June 8, 2020 6:04 AM

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    That's pretty much the expected behavior? Are you saying that the message is falsely being detected as spoof or? Have you verified with the sender that everything is OK on their end, are they using an IP that's in the allowed list as per their SPF record?

    If needed, you can exclude specific domains via the -BypassSenderDomains parameter.

    Monday, June 8, 2020 5:04 PM
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    Hi,

    I'm here to confirm with you if your issue has been resolved. If the problem is successfully solved, you can share your solution and mark them or the helpful reply as answer, this will make answer searching in the forum easier and be beneficial to other community members as well.

    Regards,

    Eric Yin

    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.

    Monday, June 15, 2020 1:42 AM