IMAP Vs POP3

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Below is another one for differences in IMAP Vs POP3 that adds to my series posts such as Differences IPv4 Vs IPv6, Differences Routing Vs Routed protocol and Load Testing Vs Stress Testing.

IMAP (4)
POP3
Stands for ‘Internet Message Access Protocol’ Stands for ‘Post Office Protocol 3’
Uses port TCP:143 Uses port TCP:110
RFC 1730 RFC 1939
Allows email client to access/ manipulate messages on a server Allows email client to download emails locally
Saves bandwidth as only email headers are displayed in client. Consumes bandwidth as entire email message gets downloaded
Since messages are stored in server, email messages are accessible from anywhere Email message can be viewed from the machine where email was downloaded.

If you are aware of any improvements to above differences or want to add to the above list then please post your comments below.

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Mandar is a seasoned software professional for more than a decade. He is Cloud, AI, IoT, Blockchain and Fintech enthusiast. He writes to benefit others from his experiences. His overall goal is to help people learn about the Cloud, AI, IoT, Blockchain and Fintech and the effects they will have economically and socially in the future.

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