For Fee Email Accounts: Email, IMAP, POP and Exchange Hosting
Bluebottle - Email Service
Bluebottle offers email accounts that are practically free of spam (using challenge/response filtering) and can be accessed on the web or using POP with any email program.
FastMail - Free Email Service
FastMail is a great email service with IMAP access, useful features, and a stellar web interface.
FuseMail Fused Personal - Email Service
FuseMail Fused Personal not only offers a comprehensive web-based email service with rich editing, smart folders, integrated RSS feed reading and solid spam filtering, but you can also access FuseMail flexibly with any IMAP email client.
MSN Hotmail - Email Service
MSN Hotmail comes with solid security features and a straight forward, easy to use yet quite powerful interface.