Mail Security for Exchange overtake Exchange 2013 transport rules

Hi,

I have one Exchange 2013 mailbox server with Symantec Mail Security for Exchange. Transport rules that I set in Exchange doesn't seems to be functioning. I tried to diable the SMSMSESMTPAgent and those transport rules work again. Currently my "Transport Rule agent having the priority 1 and SMSMSESMTPAgent having priority 8. Any work around to make the transport rules functioning while I enable the SMSMSESMTPAgent?