Solved - IMAP Email Server Not Responding

User Query 1: 'I am confronting issue IMAP Email server not responding, because of which I can't get to my IMAP mailbox messages. Would you be able to propose an approach to determine the issue?'

The previously mentioned client inquiry is the most asked question on the web today. To answer the greater deal of user queries, I will uncover all the potential solutions that can help users to resolve the issue.

4 Methods to Fix 'IMAP Authentication Failed' Issue:

Solution 1. Fixing Windows 10 Internet Connection Issues The most normal reason behind IMAP Mail Server Not Working is an inappropriate web association. To determine the issue, attempt to fix IMAP issues by setting up a neat internet connection.

Solution 2. Service Temporarily Unavailable IMAP always requires a functioning web connection and a substantial Server to keep it working. In spite of the fact that there is no substantial method to fix the Email Client-Server, one can keep a backup of messages in another webmail account. Moreover, you can backup your email messages in the local machine in case of crises like Email IMAP Server Not Working and inaccessibility of the server.

Solution 3. How to Generate SSL Certificate in Windows 10Prior to sanctioning the SSL configuration, let's examine the SSL (Secure Socket Layer)

Security password authentication protocol

  • Offers password encrypted established internet connection between the web server and the user.
  • Planned by Netscape in the year 1995
  • Utilizes TCP (Transmission Control Protocol) for end to end encryption.


  • Inappropriate Setting up of SSL certificate while accessing
  • Invalid credentials in the SSL certificate. To confirm the design divert to SSL Checker free services by Qualys SSL Labs.
  • The trusted certificate chain is broken on account of the terminated root CA or it couldn't affirm.
  • Various domain names while accessing before issuing the certificate from CA.

SSL configuration in IMAP

To establish a connection with the assistance SSL, please try these port numbers:

  • IMAP Port No – 993
  • Outgoing Server (SMTP) – 465

Filling in these numbers might somehow repair the essential issues of the SSL configuration

Move to the next approach, if this method does not provide a satisfactory result for 'IMAP Email Server Not Responding' error.

Solution 4. Remove Outlook Profile Windows 10

Sometimes the account is not configured properly. So you need to remove and re-add the account. Follow these instructions to resolve IMAP Server is Not Responding Outlook error.

  • First, go to the Control Panel then opt the Mail option from the given icons. Hit the Mail Account tab you wish to open.
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  • Secondly, choose the desired account and by hitting the Remove option, you can delete that particular account from the Account list.
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  • Thirdly, press the New button to reset the profile
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  • Now, in the new Add New Email Account dialogue box, a user will be prompted to enter in the valid details like Name, mail id, and security password in it
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  • Then, tick the checkbox with the statement 'Manually configure server settings' >> Next, in the new popup, pick Internet E-mail account then tap the Next button.
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  • Next, choose either POP3 or IMAP to set up an account. Filling in the domain details in the given mail server text box.
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  • After, redirect to More Settings -> then tap the Advanced tab and enter in the Port number for IMAP and SMTP.
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  • MAP Incoming Server – 143
  • SMTP Outgoing Server – 465

You can keep the same, or if you want to configure an SSL connection then type the port numbers as mentioned below.

  • IMAP Incoming Server – 993
  • SMTP Outgoing Server – 465

Then, hit the Outgoing Server tab and mark the authentication option. Next, tap OK to confirm the changes

After an effective setup, you may see a popup message explaining the same.

The professional way to fix ‘email IMAP server not responding’ issue:

In the event that you can't resolve the worker issue by following the above strategies. At that point, try to tackle the issue with the assistance of an automated solution named IMAP Mail Backup Tool. If the client is confronting an issue in the IMAP server, then this solution will affirmatively support him/her to backup all IMAP inbox items without requiring any technical proficiency.

Last Remark:

The techniques referenced surely provide aspiring outcomes on the issue IMAP Email Server Not Responding. Despite, the manual methodology may not give out the most ideal result because of the long and indescriptive process. To prevent any kind of data altercation, it is advised to utilize an expert methodology for a more exact result.

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