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. Database Mail is designed for reliability, scalability, security, and supportability.