Forum Discussion
Access denied to Mail User from outside organisation
Previously I used "Mail Users" to create contacts that people from outside our organisation can email. It looks like they are part of our organisation, but the email gets forwarded elsewhere: 1)...
If you only need this for forwarding mail, Mail contacts will do just fine. If they need to login to your tenant or access any of the O365 services, then you should use Mail Users, as they have an underlying user object in Azure AD.
VasilMichev, his problem is that he wants to redirect user@contoso.com to user@exmaple.com via Mail Contact or Mail User for external senders.
Rufus BrownI am not aware that this works with both Mail Contacts or Mail Users on their own. You need to create a Distribution List and add the Mail Contact/User to the list. Then this will work for external senders. I don't think that ever worked.
Either option allows for "redirecting" the messages outside of O365.
- That's not the issue. The issue is to get a mail that comes from outside Office 365 to the contact adress. It's rejected before it can even be processed by Office 365 to be redirected to the outside again.