Swishmail
Business e-mail hosting service offering plans for small and large businesses communication needs.
http://www.swishmail.com

AuthSMTP
An authenticated SMTP relay service that offer access for mobile users from multiple ISP's; also include virus scanning of outgoing mail.
http://www.authsmtp.com

Runbox
Premium email service and email hosting provider.
http://www.runbox.com

Everyone.net : Email Hosting Accounts
Get email hosting from a leader in secure email providers. Offer services for business, personal, group and outsourced email. Secure, spam free and virus protected.
http://www.everyone.net

Bluebottle Spam-free Email
Free spam-protected email with 250MB of storage, POP3 and web-based access and outgoing SMTP. Only accepts emails from trusted senders making your email spam-free.
http://www.bluebottle.com

Mail.com: Free web-based email
Free web-based email service with free forwarding. Offering many interesting email addresses to choose from.
http://www.mail.com