POP has some advantages in specific situations, but it's largely outdated today. It's not designed for checking email from multiple devices, so you can experience problems even if you leave a copy of email on the server.
For instance, if you delete an email on one device, that deletion doesn't sync to the server, so other devices will still have that message. And since each device downloads every message from the server, it's easy to end up with a bunch of duplicates and not know what you've already dealt with. Downloading every message from your POP account can use up a lot of space on your device, depending on how much mail you have.
A lot of POP use today is to access mailboxes provided by your ISP, web hosting company, or similar, which tend to suffer from extremely limited storage. As mentioned earlier, IMAP was created to allow remote access to emails stored on a remote server. The idea is to allow multiple clients to manage the same inbox, which is in line with how most people use email today. So whether you log in from your home or work computer, you will always see the same emails and folder structure, since they are stored on the server.
All changes you make are immediately synced to the server, so you don't have to worry about confusing duplicated inboxes. While an internet connection is needed to access mail using IMAP, it's still possible to work offline and sync changes when you're back online. Thus, you may need to clean out your email often if you have lots of messages in your account. There's a good chance that you'll want to access your email from at least two devices, and doing so with POP is a huge headache.
Since every email service worth its salt supports both, there are no compatibility concerns. Read on to see which configuration will best serve your particular email needs. Post Office Protocol version 3 POP3 is a standard mail protocol used to receive emails from a remote server to a local email client. POP3 allows you to download email messages on your local computer and read them even when you are offline.
Note, that when you use POP3 to connect to your email account, messages are downloaded locally and removed from the email server. This means that if you access your account from multiple locations, that may not be the best option for you. On the other hand, if you use POP3, your messages are stored on your local computer, which reduces the space your email account uses on your web server.
The user can organize the emails directly on the mail server. The user can not create, delete or rename email on the mail server. The user can create, delete or rename email on the mail server.
It is unidirectional i. It is Bi-directional i. It does not allows a user to sync emails. It allows a user to sync their emails. It is fast. It is slower as compared to POP3. However, this configuration is client-specific, so every client you use will need to be configured separately.
If you're on the fence, we recommend using IMAP. Since it works with multiple devices, it's accessible even if you lose the original device. It also makes it easier to set up email customizations that will span across all devices.
However, we have compiled some use cases that might help inform your decision:. IMAP keeps your email account consistent across devices, so you never have to worry about your email accounts being out-of-date or differing from device to device. If you are using POP3 and lose access to your main device, you would also lose access to all your past emails.
POP3 only stores new emails on the server end. When a device access the email account, the server sends the email data to the device and then scrubs the data from its memory. IMAP stores all the email data on the server, which can potentially use a lot of disk space. Since both options have a sort of storage system, we recommend IMAP.
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