How E-mail Works !?

The SMTP Server Whenever you send a piece of e-mail, your e-mail client interacts with the SMTP server to handle the sending. The SMTP server on your host may have conversations with other SMTP servers to deliver the e-mail. Let's assume that I want to send a piece of e-mail. My e-mail ID is brain, and I have my account on email365.org . I want to send e-mail to juantrinh@yahoo.com. I am using a stand-alone e-mail client like Outlook Express. When I set up my account at email365.org , I told Outlook Express the name of the mail server -- mail.email365.org . When I compose a message and press the Send button, here's what happens: Outlook Express connects to the SMTP server at mail.email365.org using port 25. Outlook Express has a conversation with the SMTP server, telling the SMTP server the address of the sender and the address of the recipient, as well as the body of the message. The SMTP server takes the "to" address (juantrinh@yahoo.com) and breaks ...