You may point external domains to the Netimpulsion hosting package. For example anotherdomain.com can point to yourdomain.com. Real Media Compatible Real Media - Software suite created by Real, Inc. most commonly used within websites for the purpose of streaming video and audio. SMTP Simple Mail Transport Protocol (SMTP) is a protocol used in sending and receiving e-mail. However, since it is limited in its ability to queue messages at the receiving end, it is usually used with one of two other protocols, POP3 or IMAP, that let the user save messages in a server mailbox and download them periodically from the server. In other words, users typically use a program that uses SMTP for sending e-mail and either POP3 or IMAP for receiving e-mail.