如何使用GMail、Yahoo或Hotmail通过Java应用程序发送电子邮件?

Is it possible to send an email from my Java application using a GMail account? I have configured my company mail server with Java app to send email, but that's not going to cut it when I distribute the application. Answers with any of using Hotmail, Yahoo or GMail are acceptable.Is it possible to send an email from my Java ap