After upgrade to v11, policies using domains in Recipient Matches Pattern are failing.
V11 policy detection or exception rules with Domain Pattern Matching fail to match on email domains. The domains are listed as:
We have etrack 2340221 created for issue, which was fixed in 11.6.
Workaround is to add @domain to beginning and detection will work again.
In the above example you would just change the following list to: @test.com,@symantec.com