User unable to recieve messages from a specific sender, recipient_status = usermailbox.forwardable.resolver.createrecipientitems.40

Adrian van der Wal

11/6/22, 8:05 AM

I have a new user in an existing tenancy, who is unable to recieve emails from a sending domain external to the tenancy.

This has stopped them from being able to recieve a "Welcome to 'accounting package'" email, and as such, unable to do their job.

Message Trace logs indicate that the messages are being recieved by the sender, but not being delivered to the mailbox. The messages are also being flagged that the recipient_status is usermailbox.forwardable.resolver.createrecipientitems.40. My research for this code all points to auto forwarding rule, however, there are none associated with the mailbox, or incoming domain.

The solution indicated here: https://answers.microsoft.com/en-us/msoffice/forum/all/private-e-mails-appear-in-group-inbox/2d5e67a1-d187-43d4-a857-a63484269c54 does not bear any fruit, as there are no emails in the quarantine for the user.

Any assistance on finding the missing emails would be greatly appreciated.

1147

0 + 6

exchange

microsoft-office-365

Ivan_Wang

11/7/22, 7:40 AM

I'm here to narrow down this mail flow issue: 1. Did only the user in this tenancy encounter this issue? What about other users? 2. Could the same message deliver to the tenancy successfully if the sender is from another external domain? 3. What happens if you try to send a test email which has only one word or a short sentence? Have you inspected the forward settings of the recipients?(https://docs.microsoft.com/en-us/exchange/recipients-in-exchange-online/manage-user-mailboxes/configure-email-forwarding)

Ivan_Wang

11/7/22, 8:02 AM

Besides, check if there is any inbox(Outlook) forward rule configured for these recipients' mailboxes.

Adrian van der Wal

11/9/22, 1:09 AM

Thanks @Ivan_Wang. As stated in the original description, there are no fowarding rules on the maibox, either on the server, or on the local Outlook. 1. Just this user. 2. No idea, I don't control the external domain. It's an automated email from an accounting package. 3. See 2.

Ivan_Wang

11/14/22, 8:24 AM

Could you find these emails in the following location? O365 Security and Compliance-Threat Management-Reviews(https://protection.office.com/quarantine)

Adrian van der Wal

11/19/22, 2:12 AM

No, the emails are not located in the quarantine.

Ivan_Wang

12/20/22, 2:16 AM

I think you could ask for help from the following location and see if others have the same problem or solutions: https://answers.microsoft.com/en-us/msoffice/forum?sort=LastReplyDate&dir=Desc&tab=All&status=all&mod=&modAge=&advFil=&postedAfter=&postedBefore=&threadType=All&isFilterExpanded=false&page=1

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: User unable to recieve messages from a specific sender, recipient_status = usermailbox.forwardable.resolver.createrecipientitems.40

TH: ผู้ใช้ไม่สามารถรับข้อความจากผู้ส่งที่ระบุ สถานะผู้รับ = usermailbox.forwardable.resolver.createrecipientitems.40

RO: Utilizatorul nu poate primi mesaje de la un anumit expeditor, recipient_status = usermailbox.forwardable.resolver.createrecipientitems.40

RU: Пользователь не может получать сообщения от определенного отправителя, статус_получателя = usermailbox.forwardable.resolver.createrecipientitems.40

VI: Người dùng không thể nhận thư từ một người gửi cụ thể, receiver_status = usermailbox.forwardable.resolver.createrecipientitems.40

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