ref: a84f3ef5815f44ab6a610e8e174eb8ec0f03d6cc 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