New emails don't receive automatically until I highlight another e

[Travis]

My new mail doesn't appear or receive until I highlight another email in my
inbox. I fixed this problem once but now I can't remember how I did it.

Any help?

 

[Brian Tillman]

My new mail doesn't appear or receive until I highlight another email
in my inbox. I fixed this problem once but now I can't remember how
I did it.

Your firewall is blocking UDP packets. Add Outlook as an exception.