Here are a few Windows email clients that match these criteria.
Tried and True: AOL Mail
Wikimedia Commons / Public Domain
Free and easy.
Offers all the basics without introducing complex features.
Future of AOL is uncertain.
Most seasoned emailers recoil from the AOL.com domain.
Too bare-bones for complex mail management.
Some features controlled at the account level, instead of the app level.
Familiar Interface: Mozilla Thunderbird
Mozilla
Free, stand-alone email program (not a web interface).
Long track record of maintenance and feature development.
May be too complicated for some newbies.
Not the prettiest program on the planet.
Like AOL,Mozilla Thunderbirdoffers a free email address and easy setup.
Its full feature set is packaged well enough to still be intuitive for beginners.
