Step 1: Go to Start >> Control Panel >> Network ConnectionStep
2: Now, right-click on the internet connection
Step 3: Select Properties from the menu
Step4: Lastly, go to the Security tab and switch off the FirewallNow that you have disabled the firewall and pathways for incoming and outgoing emails are cleared.
Make sure to manually add the POP server name (for incoming emails) and SMTP server name (for outgoing emails) to Outlook Email accounts.
To do so, follow the mentioned steps.
Step 1: Start MS Outlook and select Tools>>E-mail Accounts.
Step 2: Select View or change existing e-mail accounts and then click Next.
Step 3: Click on Add>>POP3>>Next from the Email Accounts dialog box.
Step 4: Enter the correct information for your POP3 mail server and click Next.
Step 5: Click Finish and check to rectify Outlook account settings.