How do I view what exim is doing?

Exim comes with a utility called ‘exiwhat’ which will display what each instance of exim is currently involved with. The output will look similar to this: root@server [~]# exiwhat 2118 daemon: -q1h, listening for SMTP on port 25 (IPv4) 2130 daemon: no queue runs, listening for SMTPS on port 465 (IPv4) 31640 handling incoming connection […]