E – Mail History of s What is an ? What happens when we sent an ? messages Folders Address Attachments Types of s Requirements Advantages and Disadvantages

History of s is one of Internet’s communication methods According to Darwin Magazine, the first was sent in 1971 Ray Tomlinson created the ability to send s to anyone connected to the Internet by using the now common address with the ‟ symbol.

What is an stands for Electronic Mail This is a program used to send and receive text messages The messages are sent over the Internet and received within a fraction of a second

What happens? When we send an message the message does not simple go right to the recipient The message has a path way to go through

Message An message is basically a text file Thanks to technology we can now attach files and folders to our s s save a lot of money spent on stamps and postage costs s also help the environment as less paper is used

Folders Inbox – this holds all the received messages from known contacts Outbox – this holds all the messages that have been sent from your Spam – this holds all the messages that have been sent by unknown contacts Trash – this holds all the messages that we have deleted Flagged – this holds all the messages that have been marked as important

E – Mail Addresses Each address must be unique An is made up of the; 1. The Username this is chosen by the user 2. The Domain part which is found after the symbol. This is the name of the host of the service

Attachments An attachment is a function of adding a picture or other document to our s We could also send a number of files attached to one We attach multiple files by compressing them

Types of s There are two main types of services which are accessed by a standalone applications such as Outlook 2. Free services which are accessed through a web-site. Such as Yahoo!, Google, and Hotmail.

Requirement In order to send an an server is required This server needs to have two services: 1. SMTP (simple mail transfer protocol) which is used to send s. 2. POP3 (post office protocol 3) is used to receive s.

Advantages of s 1. Speed 2. Asynchronous: communication does not occur at the same time. One can reply/read s at his/her convenience unlike real- time chatting 3. Cheap: many companies such as Yahoo!, GMail, Hotmail offer free services. 4. The same message can be sent to a large group of recipients. 5. Environmental Friendly

Disadvantages of s 1. Not everyone has an address whereas by using normal post, everyone can be reached 2. Privacy: threat to privacy and security, if the password is known there will be total access to the s and account data 3. SPAM: this is very common and very difficult to get rid of 4. Only Virtual Messages: no tangible products can be sent.