Collaboration sytem object creation problem in 7.4 portal

Hi Experts ,

  As part of configuring the email connectivity in collaboration i have to create system object using thecom.sap.netweaver.col.appl.gw Parfile, i am follwoing the below SAP Link.

https://help.sap.com/saphelp_nw73/helpdata/en/46/38d346e9f34dfc92bfebacde85cd43/content.htm?frameset=/en/a4/7b7c04c8f8d24783552493fc3a0327/frameset.htm&current_toc=/en/36/4b6fb2265e4afda9b5f8c3895d9807/plain.htm&node_id=13&show_children=true#jump18

As Par files are not exist from portal 7.3 their is no option like System from PAR. with the help of below link i came to know i can create the system from PARhttp://help.sap.com/saphelp_nwce711/helpdata/en/45/26d6a3522b4c2de10000000a1553f6/frameset.htm

But my problem is i am uable to find thecom.sap.netweaver.col.appl.gw Parfile in my EP server , i can see the war file.Can anyone tell me how can i proceed???

Please help me on this............

Regards,

Mahesh