The imsimta kill utility immediately and indiscriminately terminates the specified process. This command is equivalent to the UNIX kill -9 command. The process is terminated even if it is in the middle of transferring email. So use of the imsimta shutdown utility, which performs an orderly shutdown, is generally preferable.
imsimta kill component
You must have the same process id as the process to be killed, or be root. This utility is not available on Windows NT.
component is the MTA component to be killed. Valid values are job_controller and dispatcher.