Hotmail), and closely followed by Google's Gmail service and AOL Mail a distant fourth.
Tip: for more detailed and richly illustrated help on Yahoo, check out our "Yahoo Login" tutorials at Login Tips (separate website). SsTut remains available there for ultra-compressed content!
Yahoo makes money by showing ads alongside your messages, and offering the paid Yahoo Mail Plus subscription to those who want ads hidden (and extras not in the free version).
Yahoo Mail actively maintained, and under its new CEO, Yahoo bets big on webmail to retain and attract users, which translated into a super-clean redesign of Yahoo Mail in December 2012:
With both free or Plus service, you can check your messages from an email program.
Tip: you can directly access emails by typing "yahoomail.com" in your browser's address bar!
Just like Hotmail started offering "@live.com" email addresses to avoid running out of available usernames, Yahoo also offers "@ymail.com" and "@rocketmail.com". Yahoo even offers a "business" version of its service, which lets you use it with your own domain!
Yahoo Mail includes a full-fledged calendar, and complete integration with Facebook and with Yahoo Messenger, the company's ultra popular instant messaging chat client.
Here's the full listing of tutorials: read through it for a great overview, or refresh your memory. For in-depth info, just click on the corresponding link!
Create an account to get an email address and customized access to other Yahoo properties.
Sign in to Yahoo Mail, and optionally automatically remember your credentials in some conditions.
Block email addresses to prevent people from contacting you: they won't know they were blocked.
Add new contacts using the sender of an email in your inbox, or by creating them from scratch.
Import contacts from Facebook, Gmail, Hotmail, other Yahoo accounts and more.
Export contacts for backup purposes, or to import them somewhere else.
Vacation Response: also known as "out-of-office auto-replies" - automatically send a notification that you are away when others email you, including separate responders for different domains.
Create Mail Filters to automatically file your messages into folders (including the Trash!)
Full email headers show "hidden" message information, like email program used, IP address, etc.
Sent messages options control if Yahoo should auto-add new recipients to contacts, keep a copy of sent messages, or show you the "Sent Confirmation" screen.
Change theme to use different colors or background picture for your inbox, which includes a high-contrast theme, ideal for visually-impaired users or poor screen / visibility conditions.