Executing loadrunner scripts with blat commads through command prompt

Hi,
 

 I have loadrunner scripts containing the send email through blat.
 

 char cCommand[1024],cCommand1[1024];    // char variable to hold the contents of DOS commands
 sprintf(cCommand, "blat.exe test.txt -s \"Test Complete\" -t [email protected] -f [email protected] -server exchange.postoffice.net  -u rajneesh@intacct -pw Backwards123! -body \"TEST\"" );
 
 system(cCommand);

 

 when the loadrunner script is executed in command prompt the send email doesnt work.
 "mmdrv.exe" -usr <script path>

 

 Any help on this is appreciated.
 

 Thanks,
 Rajneesh