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Mails delivered to .mail.onmicrosoft.com RRS feed

  • Question

  • Hi Exchange gurus!

    What happens to emails sent to a user (who previously had an Exchange Online licens, but now doesn't have an Exchange Online licens) and now gets delivered to user1@company.mail.onmicrosoft.com?

    Is it possible to recover those mails or are they lost?

    Thanks in advance :D

    Morten


    Tuesday, November 19, 2019 11:40 AM

All replies

  • Hi Exchange gurus!

    What happens to emails sent to a user (who previously had an Exchange Online licens, but now doesn't have an Exchange Online licens) and now gets delivered to user1@company.mail.onmicrosoft.com?

    Is it possible to recover those mails or are they lost?

    Thanks in advance :D

    Morten


    If the SMTP address doesnt exist, the messages will bounce and are not recoverable.

    If the mailbox still exists as a shared mailbox with that SMTP address, they will be delivered.

    Tuesday, November 19, 2019 12:13 PM
    Moderator
  • Hi Exchange gurus!

    What happens to emails sent to a user (who previously had an Exchange Online licens, but now doesn't have an Exchange Online licens) and now gets delivered to user1@company.mail.onmicrosoft.com?

    Is it possible to recover those mails or are they lost?

    Thanks in advance :D

    Morten


    If the SMTP address doesnt exist, the messages will bounce and are not recoverable.

    If the mailbox still exists as a shared mailbox with that SMTP address, they will be delivered.

    Hi Andy,

    Thanks for your reply.

    The message trace logs shows that the mails in the timeframe where the user did not have an active license were redirected to the .mail.onmicrosoft.com mailbox. The senders did not receive a bounce or NDR reply, so i suppose they were delivered? 

    If i run a Get-MailboxFolderStatistics on the mailbox, i can see that he has VisibleItems in the following folders:

    .mail.onmicrosoft.com\Audits

    .mail.onmicrosoft.com\Purges

    Is there a way to restore the items from the Purges folder to his Inbox to verify if those are the emails he is missing?

    Thanks in advance


    Tuesday, November 19, 2019 1:56 PM
  • Hi Morten Bøtkjær,

    By default, the purged folder is kept in Mailbox Database for 14 days. Within 14 days, you can recover it from Recover Deleted Items. If that exceeds the time limited, you should recover from the backup data by using Recovery Storage Group.

    Have you tried the recover deleted items from Outlook? You can also use the Restore-RecoverableItems items cmdlet to restore deleted items in mailboxes. You use the Get-RecoverableItems cmdlet first to find the deleted items to recover.

    Regards,

    Beverly Gao


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

    Wednesday, November 20, 2019 9:27 AM
  • Hi Morten Bøtkjær,

    By default, the purged folder is kept in Mailbox Database for 14 days. Within 14 days, you can recover it from Recover Deleted Items. If that exceeds the time limited, you should recover from the backup data by using Recovery Storage Group.

    Have you tried the recover deleted items from Outlook? You can also use the Restore-RecoverableItems items cmdlet to restore deleted items in mailboxes. You use the Get-RecoverableItems cmdlet first to find the deleted items to recover.

    Regards,

    Beverly Gao


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

    Hi Beverly,

    Thank you for your response.

    I tried using content search and restore to a PST but without any luck. Only 2 of the 10 mails that was redirected to company.mail.onmicrosoft.com was found.

    I am using the EOshell in PS ISE with an account that has the Global Admin role, but I am unable to use the Restore-RecoverableItems cmdlet:

    PS C:\WINDOWS\system32> Restore-RecoverableItems
    Restore-RecoverableItems : The term 'Restore-RecoverableItems' is not recognized as the name of a cmdlet, function, script file, or operable program.

    Wednesday, November 20, 2019 11:13 AM
  • Hi Morten Bøtkjær, 

    This cmdlet Restore-RecoverableItems is available only in the Mailbox Import Export role, and by default, the role isn't assigned to any role groups. To use this cmdlet, you need to add the Mailbox Import Export role to a role group.

    Regards,

    Beverly Gao


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

    Sunday, November 24, 2019 8:10 AM
  • Just checking in to see if above information was helpful. Please let us know if you would like further assistance.

    Regards,

    Beverly Gao


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

    14 hours 50 minutes ago