ref: b9c1eaa2de919a6c1a323826eba1a9e63e3d149c dir: /rc/bin/service/tcp995/
#!/bin/rc exec tlssrv -lpop3 -c/sys/lib/ssl/cert.pem -r`{cat $3/remote} /bin/upas/pop3 -p -r`{cat $3/remote} >[2]/sys/log/pop3