Mail2web

mail2web
www.mail2web.com

Free web-based email application which allows users to access accounts anywhere.Pick up your email from any computer anywhere in the world. Used by over 16 million users in over 220 countries.

You may then copy and paste this code into your own website and visitors will be able to check their email from your site. Please note that once logged in, visitors will be in the mail2web.com website and customizations, beyond the initial login screen, are not possible.