Category: Exchange
![Harri Jaakkonen](https://i0.wp.com/www.cloudpartner.fi/wp-content/uploads/2021/09/harri_pic.jpg?fit=32%2C32&ssl=1)
Posted by Harri Jaakkonen Posted on 09/05/2014 0 Comments on Exchange 2010 sp3 RU5 and Online tenant Hybrid
Posted in Exchange, Hybrid, Office 365, Onpremise
We had a customer with multiple smtp domains at onpremise Exchange. 1. First you need to add them to authorized domains in Office 365 control panel. 2. Add the given txt -records to public dns. 3. Go back to Office…