Similarly, both email address policy is applied to all recipients, so becomes secondary.
Because email address policy has priority of 1 so it wins.
This environment has been upgraded from Exchange 2007 to a new Exchange 2010 server.
There are several thousand email contacts that reside under the Federation_Contacts OU.
Lets say your contacts arer residing in any perticlar OU.
Then use below powershell commad from exchange shell: Get-Mail Contact -Organizational Unit "domain.local/OU" | set-mailcontact -emailaddresspolicyenabled This due to "companies domain" was part of Default Email Address Policy.