Send Email from PowerShell - Tutorial
www.emailarchitect.net › easendmail › kbYahoo SMTP Server¶ Yahoo SMTP server address is smtp.mail.yahoo.com. It supports both Normal/Implicit SSL/Explicit SSL (TLS) connection to do user authentication, and you should use your Yahoo email address as the user name for ESMTP authentication. For example: your email is myid@yahoo.com, and then the user name should be myid@yahoo.com.