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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Emails are being moved...
Microsoft Dynamics CRM (Archived)

Emails are being moved to Undeliverable folder for mailbox with no clue

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Posted on by Community Member Microsoft Employee

Hi all,

We are currently facing a problem, incoming emails to the mailboxes are moved into the Undeliverable folder in the mailboxes it’s connected to and this folder is generally created by the email router and its used to store any emails that it can’t import into CRM for whatever reason (special characters, large attachments, etc.) . We have a email to case creation rule configured but due to this movement of the emails not all the emails are being converted to cases.

We have already tried out one of the recommended fix (registry key update @https://community.dynamics.com/crm/f/117/t/140049?pi51685=2#responses) for this but didn't work. Any help on this is appreciated. Thanks in advance.

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  • Suggested answer
    Nithya Gopinath Profile Picture
    Nithya Gopinath 17,074 on at
    RE: Emails are being moved to Undeliverable folder for mailbox with no clue

    Hi Dathatreya,

    Go to the Email Server Profile and under Advanced change Move failed Emails to Undeliverable Folder to No.

    See the highlighted section in the screenshot below.

    3426.1.PNG

    Refer the link below for more details.

    https://answers.microsoft.com/en-us/msoffice/forum/msoffice_outlook/incoming-emails-going-to-undeliverable-folder/87ef19f5-c12f-4415-8ce3-f282aebba8ab

    Hope this helps.

  • Suggested answer
    Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Emails are being moved to Undeliverable folder for mailbox with no clue

    That's something to do with the Exchange.

    Is there any email filtering/junk filtering on the Exchange?

    Any security policy applied and causing this?

    Any email rules?

    There is nothing wrong with CRM as it tracks only the Inbox folder (partly to filter out those junk emails).

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