how to rewrite the Sender Email Address in Trend Micro Email Security Advanced ?

I want to rewrite the Sender Email Address in Trend Micro Email Security Advanced. Please describe in detail or provide me with references on how to rewrite the Sender Email Address? I am not able to find this particular configuration in the Trend Micro Email Security Advanced console. I have also checked the Administrators Guide of TMES but could not find it.

Please let me know how to rewrite the Sender Email Address in Trend Micro Email Security Advanced.