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The Difference Between POP & IMAP

This chart sums up the main differences between POP (Post Office Protocol) and IMAP (Internet Message Access Protocol) email configurations. Any mail server at Thexyz supports both IMAP and POP connections and the choice is your for how you wih to connect and access your mail.

POP
  • Email is deleted from the server as they are retrieved
  • No remote web synchronization
  • Local copies of messages are vulnerable to data loss
  • Very little server storage required
  • Has to download full message (slower)
  • First introduced 1984
IMAP
  • Rest assured knowing a copy of email is saved to server
  • Inbox and sub-folders sync with webmail/mobile
  • Email is backed up securely on the server
  • Archive is limited by server storage
  • Downloads only headers, rest as requested (faster)
  • First introduced 1986

What is a use case for POP email?

As POP email is not deleted from the server, is often used when more than one user, shares the same email account. This allows emails not to be missed if one user deletes an email. Some users also prefer POP if they read email on their phone and delete it. They can then come back to the email later on Webmail or an email client. This use case is rare and most users will prefer an IMAP setup.

Why is IMAP the preferred protocol?

Due to the server synchronization IMAP is the preferred choice for setting up on mobile device or email client. This allows your email data to be backed up on the server. It also remains synchronized if you access your email on different devices.

Get the best of both with Thexyz

Thexyz Webmail allows you to access your own private or business email server by POP and IMAP, giving you secure access to email anywhere in the world, from any device. Thexyz supports TLS/SSL connections and authentication for data security. Thexyz Webmail can also help you access your email account if your ISP blocks popular webmail sites or ports.

Questions about POP and IMAP

With Thexyz Premium Business Email, you can configure your device to use both POP and IMAP configurations. We generally recommend IMAP as this will keep a backup of email messages on the server. Whereas the POP protocol will simply deliver the message to the device, without keeping a copy on the server..

Many people do not realize the limitations with POP until it is too late. This usually comes in the form of a computer crash, virus or a lost/stolen device. It is only once the device that held all the email without a backup, (or maybe only a local backup) becomes corrupt or lost, does the user then realize they have lost all their email data as emails are stored locally and not on the server with POP.

Having your email stored on an IMAP is far more secure than your local device as this keeps messages on the server. With most people not having a backup of their device, they rely on the backups of the email service provider. It is only when the device as been setup with IMAP email configuration that data is stored on the server. As added protection and enhanced data retention polices we also recommend adding email Archiving to your business email hosting solution.

You can check this by checking the account settings. If you do know where to find this, we recommend using our wizard. Once you see how to set the device up with IMAP, you will see how to check.

If you are looking to backup and sync your email folders with multile devices, then IMAP is the way to go. This will not only sync email with all your mail clients, it will ensure all emails are stored on the server.

With all messages stored on the server instead of locally, storage can become a problem for high volume email accounts. Our Premuim Webmail accounts allow for storage of 25GB per user. This is upgradable to 100GB with Hosted Exchange and can also become unlimited with the Email Archiving add-on.

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