can;t access pop

can;t access pop

I have my domain on zoho, I am trying to access my account via pop from Outlook.com ,but in vain as  it seems there is a problem with your system : 

I am getting this error.

We couldn't get your messages: There was a problem connecting to the other server. If you've been seeing this message for a while, consider checking your account settings or contacting your other email service.