Cyber Security for Absolute Beginners - 2022 Edition - Part 02 - Email Basics, Protocols and Ports

The video tutorial discusses the importance of emails in daily life, highlighting the two main methods of sending and receiving emails: through web browsers and email clients. It addresses the security issues inherent in email systems due to their initial design, which did not prioritize security. The tutorial explains the protocols and ports used for receiving emails, focusing on IMAP and POP, and their differences in terms of security and convenience. It also covers the protocols for sending emails, such as SMTP, and how secure connections can be established. Finally, the video provides a brief overview of how emails are transmitted between servers and clients.

What are the two major ways to send and receive emails?

Explain why email security is considered to be poor compared to other parts of the Internet.

What ports are used for IMAP and POP protocols, and what are their secure versions?

What are the differences between IMAP and POP protocols?

Why is SMTP considered the more popular protocol for sending emails?

Describe the process of how an email is sent from one user to another.

What is the role of a DNS server in the email sending process?