I've been tasked to change our current email address format, which is configured to use an alias (firstname.lastname@example.org), to using firstname. email@example.com while continuing to receive external emails to the old format. In addition, the display name will now contain lastname, firstname CTR FFRDC. My plan is to simply create a new email address policy using EMC and assigining it Priority 1. As for the 'DisplayName' I don't want to have to manually type CTR FFRC to every recipients Display Name; however I'm not to keen on PowerShell cmdlets. My first question is am I going about the email address format change the best way and secondly does anyone have a PowerShell command that I could possibly modify to update the 'DisplayName'?
Windows Server 2008 R2, Exchange 2010 sp1, Windows XP/7