AppRiver - http://www.appriver.com/
Offers secure business email hosting with cloud-based email and Web protection against spam, viruses and malware.
EmailXT - http://www.emailxt.com/
Hosts an email protocol. Is open and patent free and makes normal email more functional.
ForwardAmerica.com - http://www.forwardamerica.com/
Offers AOL, Yahoo, Hotmail, and MSN email forwarding services. Includes pricing details and FAQ.
Free Email Guide - http://freemailguide.com/free_email_search_engines.html
Provides a guide to free email providers. Has reviews and also lists features of each email service.
HotDak - http://www.chandigarhcity.com/hotdak
Email to posts service. Prints emails and sends you hard copies for free and can service Indian cities Chandigarh, Mohali and Panchkul.
Neomailbox - http://www.neomailbox.com/
Allows users to send anonymous email with SSL encrypted SMTP and POP. Compatible with many email clients including Outlook and Netscape.
SigMania - http://groups.yahoo.com/group/SigMania/
Members group on Yahoo that is based around making email signatures and sharing tips and advice.