Nmap scan report for posta.serdarplastik.com.tr (88.255.236.221) Host is up (0.13s latency). Not shown: 96 filtered tcp ports (no-response) PORT STATE SERVICE 113/tcp closed ident 587/tcp open submission 2000/tcp open cisco-sccp 5060/tcp open sip Nmap done: 1 IP address (1 host up) scanned in 6.54 seconds