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In: Computer Science

12. When you send someone an e-mail address, it travels across the Internet to the ____________________...

12. When you send someone an e-mail address, it travels across the Internet to the ____________________ e-mail server at your ISP, then to the incoming e-mail server at your recipient's ISP.

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Expert Solution

When you send someone an e-mail address, it travels across the Internet to the SMTP e-mail server at your ISP, then to the incoming e-mail server at your recipient's ISP.

Explanation: Outgoing mail servers are called SMTP ( Simple Mail Transfer Protocol) Servers.

  • When the sender hits the SEND email button, the email client (GMAL/Outlook) connects us to sender's domain's SMTP server.
  • The email client then communicates with the SMTP server providing all the details like sender's and recipient's email address, attachments, body of the message etc.
  • The SMTP server processes the receiver's email address, if it is the same domain, the mail is routed over same POP3 or IMAP and no routing servers are needed.
  • But if the sender's domain name is different, then SMTP connects to Domain Name Server ( DNS) and translates receiver's domain name to an IP address.
  • Now, the email is routed along a series of SMTP servers till the receiver's SMTP server is reached.
  • This incoming email is scanned by the receiver's SMTP server and forwarded to the receiver's domain POP3 / IMAP and then placed in the receiver's email client.

venereology answered 1 year ago
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