Issue:

If a user is receiving multiple emails in the INBOX folder of their desktop client.


Solution:


Step 1: Flush DNS Cache


1. Open the Command Prompt as an administrator on your desktop.

2. Execute the following command:

   ipconfig /flushdns   

   This command clears the DNS resolver cache.

   

Step 2: Restart Desktop Client (Outlook)


1. After flushing the DNS cache, close your desktop client (e.g., Outlook).

2. Reopen the desktop client to ensure the changes take effect.


Explanation:


Flushing DNS Cache:

Sometimes, an overloaded or corrupted DNS cache can cause email delivery issues. Flushing the DNS cache clears any outdated or incorrect DNS records that might be causing the problem. This ensures that the desktop client can correctly resolve domain names to IP addresses.


Restart Desktop Client:

After flushing the DNS cache, it's essential to restart the desktop client (such as Outlook) to establish a fresh connection with the mail server. This ensures that any previous connection issues or cached data are cleared, allowing the client to retrieve emails correctly from the server's INBOX folder.


Additional Notes:


1. Ensure that you have administrative privileges to execute commands in the Command Prompt.

2. This solution specifically targets issues related to receiving multiple emails in the INBOX folder of a desktop client.

3. If the issue persists after following these steps, consider checking for other potential causes, such as email server settings, network connectivity issues, or client-side configurations.

4. It's recommended to perform these steps during non-peak hours to minimize disruption to email services.