Junk Email bug?

Question

Hi,&nbsp;We have really strange thing that has happened for several shared mailboxes. New Junk Email folders are created and messages in the folders are being copied(?). Messagetrace for the accounts shows 1 incoming mail and there are no transport rules or inbox rules. Has anyone seen this before? It looks like one of the accounts are ok now, I was able to empty it from outlook and delete the junk folders. But there are 5-6 more accounts with similiar issues.&nbsp;BrMattias&nbsp;

vasilmichev · Answer

The first thing to do in such situations is to disable/remove the mailbox from any mobile devices, then open it just on OWA and see if you can reproduce. Next step is to rule out any Outlook add-ins, so start Outlook in safe mode (hold the CTRL key while launching it), then you can start enabling add-ins one by one. You can follow a similar process for any mobile devices involved.

mattias frykstrand · Answer

Hi,&nbsp;Thanks for the feedback.&nbsp;I was able to find the user that were creating the messages by running "non owner mailbox access report". Haven't been able to get hold of the user yet but will troubleshoot from there.&nbsp;BrMattias

null null · Answer

Hi Mattias,We are facing the similar issue with one of our email box, I would like to ask if you find any solution for this.Thanks,Pavan

mattias frykstrand · Answer

Hi,&nbsp;We have this issue with "open "shared mailboxes, so there are a lot of user connected to each mailbox. What we have done so far is to look at the mailbox log and see which user that creates the mail, and then we have removed the mailbox from that users outlook (added as a secondary account). So far it looks like it solves the issue, no more mails are created directly after they re-add the mailbox. But we are still finding new users so none of the mailboxes are solved. There's also a issue with additional junk e-mail folders appearing that makes it worse.&nbsp;BrMattias&nbsp;

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Junk Email bug?

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