Yahoo! Mail
Yahoo! Mail is an email service launched in 1997 through the American parent company Yahoo!. Yahoo Mail provides four different email plans: three for personal use (Basic, Plus, and Ad Free) and another for businesses. By December 2011, Yahoo! Mail had 281 million users, making it the third largest web-based email service in the world. Since 2015 its webmail client also supports managing non-Yahoo e-mail accounts.
Pocomail
Pocomail was an e-mail client for Microsoft Windows systems that was first developed by Poco Systems in 1999. It was originally designed to provide better spam and attack protection by using its own scripting methods (PocoScript) as opposed to using JavaScript and native Microsoft scripting.