This used to be very simple; unfortunately reports from forum members showed that these services etiher changed the way their log-in is handled, or even made POP3 access to these services only available for paying subscribers to the service.
A possible alternative to these services is G-Mail.
Please refer to the extensive, illustrated, "How to configure FM for G-Mail" in our "How To" section of the forums, you can find this how to... at the address: