转：https://www.cnblogs.com/dunitian/p/6022826.html#top
出现问题：Your test e-mail has been queued for processing。排队但未发送。
问题原因：服务器未安装.Net 3.5
转：https://www.cnblogs.com/dunitian/p/6022826.html#top
出现问题：Your test e-mail has been queued for processing。排队但未发送。
问题原因：服务器未安装.Net 3.5