I need create a new rule in my Exchange 2013 system to resolve my company's demands
1. Send mail to outside if (have attach file => must to input manager in CC field)2.Send mail to outside if (have attach file)=> Must to manager approval
I checked this link but don't enough information to do that, anybody can help me ? Thank so much !
https://technet.microsoft.com/en-us/library/jj919236%28v=exchg.150%29.aspx?f=255&MSPPError=-2147217396