The abstraction that transport protocols use to distinguish among multiple destinations within a given host computer. Usually, the operating system allows an application program to specify which port it wants to use. A network tool that lets you verify an e-mail address. There is no need to disturb your clients and friends anymore to check if their e-mail addresses are still valid. E-mail tool connects directly to their SMTP server and checks it for you.
Nothing is sent to the recipient.
Instant verify of bad e-mail addresses and invalid domains. Gain more information about the owner of an e-mail address. You can use the Web Center tool to perform common tasks that involve bypassing a firewall, such as pinging a host server. A system tray network tool included as part of NetInfo that lets you verify the network connectivity of a list of user-defined hosts using TCP, UDP, and ICMP protocols. IPMonitor alerts you to failures using a variety of techniques ranging from audible alarms to icon notification.