configs/system-integration/systemd/inetd/exim.socket

   1 [Unit]
   2 Description=Exim MTA (inetd)
   3 Documentation=man:exim
   4 Documentation=https://exim.org/docs.html
   5
   6 [Socket]
   7 ListenStream=25
   8 Accept=yes
   9
  10 [Install]
  11 WantedBy=sockets.target