ref: a84f3ef5815f44ab6a610e8e174eb8ec0f03d6cc dir: /rc/bin/service/!tcp993/
#!/bin/rc exec tlssrv -c/sys/lib/ssl/cert.pem -limap4d -r`{cat $3/remote} /bin/upas/imap4d -p -r`{cat $3/remote}>[2]/sys/log/imap4d