You'll be rewarded with plenty of storage, effective spam filtering, a fast interface, desktop email program and mobile access, and more. Find the top 18 free email services to choose from reviewed here.
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Gmail Review | Gmail Resources | Top 50 Gmail Tips | All Gmail Tips
Unfortunately, AIM Mail lacks a bit in productivity (no labels, smart folders and message threading), but makes up for some of that with very functional IMAP (as well as POP) access.
AIM Mail Review | AIM Mail Tips
While Yahoo! Mail is generally a joy to use, free-form labelling and smart folders would be nice, and the spam filter could catch junk even more effectively.
Yahoo! Mail Review | Yahoo! Mail Resources | Yahoo! Mail Tips
With a focus on elegant simplicity, Zenbe provides many sweet shortcuts but also shows quirks and omissions in others. The spam filter is good, but it would be great if IMAP access was possible for all folders (not just the inbox).
Zenbe Personal Review | Zenbe Tips
It's a pity Gawab.com's IMAP implementation does not give you access to labels, and full message search is missing from the web interface.
Unfortunately, IMAP access is not supported by Inbox.com, and its tools for organizing mail could be improved with smart or self-teaching folders.
Inbox.com Review | Inbox.com Tips
When it comes to organizing mail, Windows Live Hotmail does not go beyond folders (to saved searches and tags, for example), its spam filter could be more effective, and IMAP access to all online folders would be nice.
Windows Live Hotmail Review | Windows Live Hotmail Resources | Windows Live Hotmail Tips