In Firefox I have set up Gmail as my default and whenever I click on an email address, it opens my Gmail account just fine. Windows Default Program page does not give a Gmail option. More about: make gmail system default email program. Best solution.
Amazon WorkMail: Good enough to beat Outlook & Gmail? Next What is Amazon has stepped into the office productivity market with its Amazon Workmail, a cloud based email and calendaring service, which will work on Microsoft Outlook or other mail clients as a front end to the service.
Database Mail. Database Mail is an enterprise solution for sending e-mail messages from the SQL Server Database Engine. Using Database Mail, your database applications can send e-mail messages to users. The messages can contain query results, and can also include files from any resource on your network.