IMAP Error Code 402

How To Fix IMAP Error Code 402?

IMAP (Internet Message Access Protocol) is a protocol used by the majority of the email clients to get the email messages from the mail server. There are a few selective chances for you to deal with error messages when it comes to IMAP compared to POP or POP3. If you come across an error, it can be easily resolved. You might encounter the IMAP error code 402 while you make changes in the settings or due to an unexpected fault while restoring the settings.

  The IMAP Error 402 indicates a typographical error that has happened in the username or server name of the device. You have to make sure you have entered the proper server settings to get rid of the Error Code 402.

For Outlook 2016

  • Step 1: Open Outlook 2016.
  • Step 2: Click the File tab seen on the upper left corner of the screen.
  • Step 3: Click the Info option.
  • Step 4: Click and select the email address for which you want to check the server settings.
  • Step 5: Select the Account Settings option from the page.
  • Step 6: Select the Server Settings option from the drop-down list.
  • Step 7: The IMAP Account Settings dialog box will now open.
  • Step 8: Now, you have to see and make sure you have entered the proper IMAP and the SMTP server settings in the respective fields.
  • Step 9: Click the Next button and then click Done. If you are using the Apple Mail and you have encountered the IMAP Error Code 402, follow the steps below.

For Apple Mail

  • Step 1: Turn on your Mac computer.
  • Step 2: Click the Apple Mail icon on the screen.
  • Step 3: Click the Mail option and then go on to select Preferences followed by Accounts.
  • Step 4: Now, you have to select the account for which you want to check the email settings.
  • Step 5: Once you select the account, click the Server Settings button.
  • Step 6: From the Outgoing Account popup menu, select the option Edit SMTP Server List.
  • Step 7: You will now see the server settings. Make sure you have entered them correctly along with the Port numbers and authentication.
  • Step 8: Save the changes and you will no longer encounter the IMAP error code 402.

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