Step 1: As soon as you encounter the POP server problem, check if your device is connected to the Internet.
Step 2: Send a test email message to your own email address and check if the issue is fixed.
Step 3: To do so, make use of the instructions given below.
Step 4: From your computer’s web browser, sign in to your Yahoo mail account.
Step 5: Compose a new email. In the To field, enter your own email address.
Step 6: Click the Send button.
Step 7: The email message will arrive in your account within 5 minutes.
Step 8: If you don’t receive the email message, then try the second step discussed below.
Step 2: Verify your Yahoo Mail account’s POP settings
Step 1: In case you have set up your email account on an email client app, then check if you have configured the POP server settings correctly.
Step 2: Incoming (POP) mail server settings of Yahoo:
Step 3: Server: pop.mail.yahoo.com
Step 4: Port: 995
Step 5: SSL: Yes, required
Step 6: If required, change Yahoo mail account settings.
Step 7: If the issue occurs again, then remove and re-add your account to the email client.
Step 3: Disable the security software
Step 1: Check if any security software or firewall application installed on your computer is blocking the POP protocol or ports.
Step 2: If yes, disable it and then check whether the Yahoo mail pop server problem is resolved.
Step 4: Try using another app
Step 1: If you encounter this issue with one specific app, then try using another application.
Step 2: If you’re using Yahoo account key or two-step verification, then you may encounter the issue while accessing your account from the third-party email applications. To resolve this issue, create and use an app password.