We have found a problem similar than the problem described here
https://support.microsoft.com/en-us/kb/3058609
A user has in their Outlook or OWA contact list an entry named for example 'personal' which correspond with an external SMTP address.In the system also exist a Distribution List (dynamic in this case but the problem appears also with static one) named 'personal'
too.
When this user sets an inbox rule which apply to all arriving messages and sets the action 'Redirect the messages to' and choose from their contact list 'personal' as destination, Exchange set the mailbox RedirectTo parameter referenced to the DL and not to the contact's SMTP address.
Our system is Exchange 2013 CU12 in muti tenant scenery
We think that is a bug, very similar to the bug described in KB3058609 which claims to be solved in CU10
Anyone knows a solution for it? How can we report it to Microsoft? Is there a published workaround or patch?
It is a very grave problem which affects to our customers, sending messages to wrong directions between different customer's organizations.
Thanks in advance for your helping responses.
(and sorry my english)