A slideshow that I put together to inform some other members of our Mac group on POP vs IMAP email

1. POP vs IMAP
By: John Costanzo

2. What to discuss
• Define and explain POP
• Define and explain IMAP
• Compare POP to IMAP
• Conclusion
• Questions

3. What is POP
• POP which when spelled out is, post office
protocol
• POP is a one way communication protocol

4. POP –Examples
• If you move a message into a new folder, your
server will not know of these changes
• Once you pull an email, beyond deleting the
message, your changes never hit the server

5. What is IMAP
• IMAP which when spelled out is, Internet
Message Access Protocol
• IMAP is a two way communication

6. IMAP – Examples
• If locally or remotely reply to an email, all your
devices will update to show you that
• After reading a message locally and you view your
inbox on another device, the message will appeared
as read instead of unread

7. Comparison
POP IMAP
• One way communication • Two way communication
• More setup when viewing • Less setup when viewing
email on multiple devices email on multiple devices
• Mostly used by ISP’s • Mostly by online services

8. Conclusion
• As POP and IMAP both have their advantages
and disadvantages, each one serves a
purpose. POP is geared towards the single
device access whereas IMAP is geared
towards the multiple devices.

9. Questions
• I know you got some.