Email Protocols

Email Protocols

1. This is a seperate system of protocols that have been devised to be used purely by email

2. SMTP

   • This stands for simple mail transfer protocol
   • This is the standard way to send messages across networks into your email server
     • They then get sent to the recipitants email server
   • Advantages
     • Used by nearly every computer
     • Simple protocol
     • Universally recognised
   • Disadvantages
     • Very little security
     • Lacks certain functions
     • Simplicity limits usefulness

3. POP3

   • Stands for post office protocol 3
   • The method of recieving emails, where you download emails from the server to your computer
     • These emails then get deleted from the server, meaning they can be seen without an internet connection but only on that device
   • Advantages
     • It is a lot more secure than other recieving protocols
     • Don't have to be connected to the internet to read emails once they have been dowloaded
     • Takes up minimal storage space in your email server
   • Diadvantages
     • Only a single device to recieve from,
     • Emails can become corrupted or lost
     • Takes up storage space on your hard drive

4. IMAP

   • Stands for internet message access protocol
   • Another way of recieving emails, where the user accesses them whilst they are on their email server
     • They are then stored on the server
   • Advantages
     • Can be accessed on a range of different devices
     • Multiple addresses to recieve emails on
     • Email can be repeatedly accessed from the server
   • Disadvantages
     • Requires constant internet access
     • Takes up a lot of server space