Send test page via email. Front page <%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="Test.SendMailSample" %> E-mail sending example TD {<br> FONT-SIZE: 9pt; FONT-FAMILY: "宋体"<br> }<br> .TextBox {<br> BORDER-RIGHT: # 000000 thin dashed; BORDER-TOP: #000000 thin dashed; BORDER-LEFT: #000000 thin dashed; BORDER-BOTTOM: #000000 thin dashed<br> }<br> Email sending example (SOCKET class)