In simple words, IMAP provides a synced view of a remote mailbox on any device. The messages remain stored on the remote server, and an IMAP client allows you to read and manipulate them (delete, move, …). IMAP offers a simple way to read emails stored in a remote mailbox. With IMAP, the mail server receives and stores in your mailbox all the emails that you receive. POP3 downloads only the content of your Inbox, not the content of any other folder.This takes away the convenience of checking emails from multiple devices. If a user configures his POP3 client to delete messages from the server after download, then other devices will obviously not be able to fetch them anymore.There is no sync between the devices themselves, which makes the task of processing messages more cumbersome. The manipulation of emails (deletion, folders, tags, …) performed on one client applies only to that client. If several devices are fetching the same mailbox using POP3 (messages not being deleted after download), every device has its own copies of the messages (duplication).It helps users who prefer to store their emails on their local devices rather than on a remote server for privacy reasons instead.Users can enjoy the comfort of reading and organizing their emails offline.POP3 is most useful if you only check email from one device.Post Office Protocol (POP3) – Mailfence Pros: For example, when sending an email from a computer, sent emails are only stored on the computer you are sending from and cannot be viewed in the ‘Sent items’ folder of other devices. Note: sending email is quite different from receiving email. Then, depending on user specifications, the original emails are deleted from the server or not, so emails can either be moved or just copied. The POP3 client software connects to an email server and fetches all the newly received messages (the ones not already downloaded) present in the Inbox. That’s because POP3 downloads only the content of your Inbox, not that of other folders. POP3 offers a simple way to download your emails from the remote mailbox Inbox to your local mailbox. In POP3, the mail server receives all the emails sent and stores them accordingly in your mailbox. How do these protocols work? What are their pros and cons? We will conclude by giving tips on how to use them with your Mailfence account. In this blog post, we compare POP3 vs IMAP vs Exchange ActiveSync.

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