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The difference between POP3 and IMAP

You can easily create email addresses at TransIP and configure them in the email client of your choosing.

When configuring your email address, you will be asked to choose between the protocols POP3 and IMAP. Depending on which protocol you choose, email will either be saved directly to your device or kept on the email server.


POP3

POP3 stands for Post Office Protocol, where 3 is the version number. This protocol allows you to retrieve email like you used to do at the post office. You start by identifying yourself, after which the postal worker checks if there is new mail for you. The postal worker then supplies you with all the mail that was waiting on you.

Your email client essentially does the same with POP3. The client connects to the email server (post office), tells the server for which email address its retrieving email (identification), after which the email server supplies you with new messages (your mail).

Your messages will now be present in your email client and are no longer present on the email server. Because of the nature of POP3, using an email address configured with POP3 on multiple devices is not recommended. When retrieving emails on one device, it will no longer be present on the email server but only on that device. Afterwards, those emails can not be viewed on the other device.

Most email clients have an option to save a copy of emails on the email server when using POP3.

 

Take note that when you delete emails while saving copies on the email server, the emails will be deleted on all devices and the email server.

Use the following information to configure an email address with POP3:

Incoming mail server

  • Server pop3.transip.email
  • Port: 995
  • SSL Enabled
  • Username: Your email address
  • Password: The password for the email address

Outgoing mail server

  • Server smtp.transip.email
  • Port: 465
  • SSL Enabled
  • Username: Your email address
  • Password: The password for the email address

IMAP

IMAP (Internet Message Access Protocol) is useful for reading e-mails on multiple devices, especially with the rise of mobile devices like smart phones and tablets. The content of your mailbox will be the same on each device that is using IMAP.

Every incoming, read and sent e-mail can be viewed anywhere, because the e-mails will be saved on the email server. Another advantage of IMAP is that when one of your devices is no longer working, the e-mail will still be safely located on the email server.

When using IMAP, only the sender and subject of the e-mail will be shown at first. Once you click on the message, the entire message will be retrieved from the server, but at the same time the message will remain on the email server.

What IMAP does is make a copy of the message on the server and places this message on the device you're retrieving email with. On top of that, your email software will maintain an open connection with the email server so new e-mails will be automatically retreived. 

Take note: When you delete an e-mail on a device that's using IMAP, the email will also be deleted on other devices (including the e-mail that is located on the email server).

Use the following information to configure an email address with POP3:

Incoming email server

  • Server imap.transip.email
  • Port: 993
  • SSL Enabled
  • Username: Your email address
  • Password: The password for the email address

Outgoing mail server

  • Server smtp.transip.email
  • Port: 465
  • SSL Enabled
  • Username: Your email address
  • Password: The password for the email address


In this article we discussed the difference between POP3 and IMAP. Read the article 'I want to set up my e-mail' for more information on configuring email addresses with these protocols.

If you have any questions regarding this article, please contact our support team. You can reach them using the 'Contact us' button below or via the 'Contact' button inside your control panel.

If you wish to discuss this article with other users, feel free to leave a comment below.

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Comments

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0
Bas van Ooijen Admin August 28, 2020 (#4801)

@leanxconsultingeu

Thanks for letting us know. We have rectified this now.

0
leanxconsultingeu August 26, 2020 (#4797)

Ref to IMAP in the POP3 section: Server imap.transip.email

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