POP3

The Internet MailBox Company
Advanced email solutions for Internet Professionals. Webmail, POP3, Forwarding, FAX, Alpha Pager, and Pager Notify. 30 days free trial.
http://www.imailbox.com/

MailSnare
Offers advertisement-free e-mail accounts with POP3, wireless, IMAP and web-based access.
http://www.mailsnare.net/

NetSpace1 Professional E-mail Account and Service
A POP3 and SMTP email service with no advertisements, comes with forwarding and autoresponders.
http://www.netspace1.com/

POP3 Mail Central
Portable, Ad-Free, ISP independent POP3 E-mail. All E-mail is scanned for viruses. Web-mail access and PDA compatibility is available.
http://www.p3mc.com

Swissmail
Email service with auto-responder and forwarding to SMS, fax and pager. Secure email with 128bit SSL.
http://www.swissmail.org/