[Serusers] problem in adding exec module in ser.cfg

I am trying to mail shashwat user for any message that passes through my ser and destined for shashwat. I found that it could be done through existing exec module... so I added following lines to ser.cfg loadmodule "/usr/local/lib/ser/modules/exec.so" along with other module of ser.cfg in route {} I added following lines if (uri=~"^sip:shashwat@") { exec_msg("echo 'body: call arrived'|mail -s 'call for you' shashwat"); } but when I restart server I found that even then shashwat is not getting any mail from ser server.... I am not able to find out the possible reason ..any idea how can make I makei it work.. It will be great help for me thanks in advance -- regards shashwat gupta