Nmap scan report for osplibsmtp03-v02.prod.phx3.secureserver.net (216.69.141.114)
Host is up (0.0098s latency).
Not shown: 99 filtered tcp ports (no-response)
PORT   STATE SERVICE
25/tcp open  smtp

Nmap done: 1 IP address (1 host up) scanned in 2.66 seconds