S1:E1: How does email travel?

English - August 30, 2021 22:43 - 37 minutes - 35 MB - ★★★★★ - 3 ratings
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Question for the day: "When I send an email, how does that email get from my email to yours?”

Timestamps

0:00 - Intro

0:35 - Post office analogy

2:20 - Post office to email connection

3:10 - Computer 'client' and ‘server’

4:05 - Addressing an email

9:00 - Email messages get broken up into packets

13:35 - DNS: Turning an email address into an IP address

16:00 - DNS servers; the phone book of the internet

20:30 - SMTP server; local post office. Email journey is email server to email server.

25:45 - Role of MTA

29:30 - Gateways: "highway” part of the information super highway.

31:10 - How SMTP deals with lost information

33:20 - There is no umpire for the internet

34:38 - Recap and preview for Episode 2

Terms you will hear and learn include:

Router, gateway, MTA, IP addresses, DNS, Client and Server, Packets

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