Internet Control Message Protocol A required maintenance protocol in the TCP/IP suite that reports errors and allows simple connectivity. ICMP is used by the Ping tool to perform TCP/IP troubleshooting
protocolo IMAP4(A standard client/server protocol for receiving e-mail. The user (or the user's e-mail client) can view just the heading and the sender of the letter and then decide whether to download the mail)
Internet Message Access Protocol A method computers use to send and receive e-mail messages. It allows you to access e-mail without downloading it to your computer