Showing results for 
Show  only  | Search instead for 
Did you mean: 
Message 1 of 2

How to test if McAfee is blocking port 465?

New Dell computer summer 2023. For the last few months, I've successfully sent/received Comcast emails on Outlook desktop, via pop.

However today I can only receive emails, but cannot send. I made no computer changes: yesterday I had email capability; today I don't.

Today I have spent 2 hours on the phone with comcast and they deny there's any problem.  How can I prove that McAfee virus protection or firewall is NOT blocking port 465?

1 Reply
Message 2 of 2

Re: How to test if McAfee is blocking port 465?

Hi @bark76 

We regret for the inconvenience!

The Firewall in your McAfee security software has the default security levels set to block remotely initiated connections. These settings help protect your computer from malicious activities. Kindly refer the below article for complete details.

How to open a port in the McAfee Firewall

Alternatively, You can always contact the chat support using below link for immediate assistance.

McAfee Support

Sudharsanam G

How Many Badges Can You Collect?
Ready for a little competition? Members like you are earning badges and unlocking perks for their helpful answers. Are you? Click here to find out.

Community Help Hub

    New to the forums or need help finding your way around the forums? There's a whole hub of community resources to help you.

  • Find Forum FAQs
  • Learn How to Earn Badges
  • Ask for Help
Go to Community Help

Join the Community

    Thousands of customers use the McAfee Community for peer-to-peer and expert product support. Enjoy these benefits with a free membership:

  • Get helpful solutions from McAfee experts.
  • Stay connected to product conversations that matter to you.
  • Participate in product groups led by McAfee employees.
Join the Community
Join the Community