Its really difficult to find the best email service around when everyone is claiming they are the best. So here we have some of the leaders in this field .
Email Service Providers
Yahoo! Mail (Yahoo!,Ymail, Rocketmail)
Google Mail (Gmail)
Hotmail
AOL Mail
Zapak Mail
Indiatimes Mail
Rediff Mail
Wikiagain!
If you know more sites feel free to provide feedback by clicking here.