Apple Mail IMAP Error

How To Fix The Apple Mail IMAP Error?

As you know, Apple Mail is the default email client for your Mac computer. Sometimes, you might find it very difficult when your email client throws an IMAP error. Due to this, you cannot send or receive your emails. Sometimes, your sent messages will not be saved. Don’t worry. Check this page to fix your Apple mail IMAP error.


Close the default mail application and open it again. At times, it fixes the IMAP errors. If the problem still exists, you need to check the server settings. Refer to the server settings mentioned below.

Server Settings For Apple Mail

  • Step 1: In the username and email address fields, type in the information. Ensure that you type the email address correctly.
  • Step 2: Choose IMAP as the account type.
  • Step 3: Type the IP address in the incoming server or outgoing server field or mention your mail server address.

Port Numbers

  • Step 1: Incoming mail server – 143
  • Step 2: Outgoing mail server – 587

Ensure that SSL encrypted connection is enabled. When you're choosing the password, make sure that you use the password from the Authentication drop-down menu.

Updating The App

It would be best to update the older version of your Apple Mail. Sometimes, using an older version of your email application might end up with an IMAP error. So, update your Apple Mail.

  • Step 1: You can change the IMAP Path Prefix. It mostly fixes the error. From the Mail preferences, navigate to the Advanced tab. Now, change your prefix preferences since you might have changed them unknowingly.
  • Step 2: You can also try deleting the hidden files when you can’t send or receive your email messages. Hidden files usually lead to an IMAP error. So, it is recommended to delete all the hidden files. By doing this, you’ll not miss any of your email messages.

Hopefully, you have learned how to fix your Apple mail IMAP error. If you have any doubts, you can contact our technical team for further assistance.

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