BTEC_L2_ Unit 1_OnlineW_ Emails_ L2_lesson 7

• Online World
• Higher Education (degree)
• Upper Secondary (Key Stage 4)

Emails- Lesson 7 

Emails is a method of communicating by sending messages through email servers

Email is known as a Store and Forward system

Email uses the following Protocols when sending and receiving Emails

1. POP 3
   
2. IMAP
   
3. SMTP
   

SMTP is used to send emails from Home to a Server 

Study the Diagram and we will go though  it

Client- This is the Email sender

MUA - Mail User Client - A software that can send emails such as outlook.

MSA_ Checks  Email for Errors and send it to the MTA

MTA -Mail Transfer Protocol This send the Email from sender towards receiver.

MDA -  Mail Delivery Protocol takes the Mail from the MTA to the Mail box. 

POP3 - Protocol that captures the Mail from the mailbox to the clients computer.

Email Protocols Explained 

Client- This is the Email sender

MUA - Mail User Client - A software that can send emails such as outlook.

MSA_ A server program that receives mail from an MUA, checks for any errors, and transfers it (with SMTP) to the MTA hosted on the same server.

MTA -Mail Transfer Protocol This send the Email from sender towards receiver.

MDA - Mail Delivery Protocol takes the Mail from the MTA to the Mail box.

POP3 - Protocol that captures the Mail from the mailbox to the clients computer.

Name the Device that transfers the Mail for MTA to the Mailbox

1. MUA
2. MSA
3. MTA
4. MDA

Name the Device that Will Relay to EMail until the MDA takes over

1. MDA
2. MTA
3. MUA
4. MSE

Name the Protocol that retrieves a sent email from the Mailbox

1. POP 3
2. MTA
3. PIP1
4. MUA

Name the Protocol that MTA and MSA uses to send Emails

1. POP3
2. SMTP
3. IMAP
4. MUA

Give an example of a MUA Application

1. Outlook
2. POP3
3. IMAP
4. SMTP

Name 6 Protocols or software
You have learnt for delivering
Emails

Device or Protocols used in delivering Emails 

MUA

MSA

MTA

MDA

Mailbox

SMTOP

POP3

IMAP

Rate your understanding of sending
Retrieving Emails

Very well

Quite Well

Need some help

Attempt all questions 

See you in class to check your understanding