ASP.NET 实现邮件发送和接受的功能（Mail）-阿里云开发者社区

前台代码：html

<% @ Page language="c#" Codebehind="WebMail.aspx.cs" AutoEventWireup="false" Inherits="MymailSys.WebMail" %>

<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

< HTML >

< HEAD >

< title > WebForm1 </ title >

< meta content ="Microsoft Visual Studio .NET 7.1" name ="GENERATOR" >

< meta content ="C#" name ="CODE_LANGUAGE" >

< meta content ="JavaScript" name ="vs_defaultClientScript" >

< meta content ="http://schemas.microsoft.com/intellisense/ie5" name ="vs_targetSchema" >

</ HEAD >

< body MS_POSITIONING ="GridLayout" >

< form id ="Form1" method ="post" runat ="server" enctype ="multipart/form-data" >

< FONT face ="宋体" >

< asp:label id ="Label2" style ="Z-INDEX: 101; LEFT: 224px; POSITION: absolute; TOP: 16px" runat ="server" Width ="292px" Font-Names ="隶书" Font-Size ="XX-Large" > 邮件发送系统 </ asp:label >

< TABLE id ="Table1" style ="Z-INDEX: 102; LEFT: 80px; WIDTH: 606px; POSITION: absolute; TOP: 96px; HEIGHT: 341px" cellSpacing ="1" cellPadding ="1" width ="606" align ="left" border ="1" >

< TR >

< TD style ="WIDTH: 178px; HEIGHT: 21px" colSpan ="2" >< asp:label id ="lblShowMsg" runat ="server" Width ="99px" ForeColor ="Red" ></ asp:label ></ TD >

< TD style ="WIDTH: 178px; HEIGHT: 21px" >< FONT face ="宋体" ></ FONT ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 122px" >< asp:label id ="Label1" runat ="server" Width ="92px" > 发件人： </ asp:label ></ TD >

< TD >< asp:textbox id ="tbFrom" runat ="server" ></ asp:textbox ></ TD >

< TD >< asp:requiredfieldvalidator id ="RequiredFieldValidator1" runat ="server" Width ="156px" ControlToValidate ="tbFrom" ErrorMessage ="发件人不能为空！" Height ="26px" ></ asp:requiredfieldvalidator ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 122px" >< FONT face ="宋体" > 收件人： </ FONT ></ TD >

< TD >< asp:textbox id ="tbTo" runat ="server" ></ asp:textbox ></ TD >

< TD >< FONT face ="宋体" >< asp:requiredfieldvalidator id ="RequiredFieldValidator2" runat ="server" Width ="152px" ControlToValidate ="tbTo" ErrorMessage ="收件人不能为空！" Height ="26px" ></ asp:requiredfieldvalidator ></ FONT ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 122px" >< FONT face ="宋体" > 邮件主题： </ FONT ></ TD >

< TD >< asp:textbox id ="tbSubject" runat ="server" ></ asp:textbox ></ TD >

< TD >< asp:requiredfieldvalidator id ="RequiredFieldValidator3" runat ="server" Width ="160px" ControlToValidate ="tbSubject" ErrorMessage ="邮件主题不能为空！" Height ="26px" ></ asp:requiredfieldvalidator ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 122px" > 邮件服务器: </ TD >

< TD >< asp:textbox id ="tbServer" runat ="server" ></ asp:textbox ></ TD >

< TD ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 122px" > 邮件用户名称: </ TD >

< TD >< asp:textbox id ="tbUserName" runat ="server" ></ asp:textbox ></ TD >

< TD >< asp:requiredfieldvalidator id ="RequiredFieldValidator5" runat ="server" ControlToValidate ="tbUserName" ErrorMessage ="用户名不能为空!" ></ asp:requiredfieldvalidator ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 122px" > 密码: </ TD >

< TD >< asp:textbox id ="tbPass" runat ="server" TextMode ="Password" ></ asp:textbox ></ TD >

< TD >< asp:requiredfieldvalidator id ="RequiredFieldValidator6" runat ="server" ControlToValidate ="tbPass" ErrorMessage ="密码不能为空!" ></ asp:requiredfieldvalidator ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 122px" >< FONT face ="宋体" > 优先级:

< asp:dropdownlist id ="ddlp" runat ="server" >

< asp:ListItem Value ="高" > 高 </ asp:ListItem >

< asp:ListItem Value ="低" > 低 </ asp:ListItem >

< asp:ListItem Value ="普通" > 普通 </ asp:ListItem >

</ asp:dropdownlist ></ FONT ></ TD >

< TD >< FONT face ="宋体" > 邮件格式：

< asp:dropdownlist id ="ddlB" runat ="server" >

< asp:ListItem Value ="Text" > Text </ asp:ListItem >

< asp:ListItem Value ="Html" > Html </ asp:ListItem >

</ asp:dropdownlist ></ FONT ></ TD >

< TD ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 122px" > 邮件附件： </ TD >

< TD colSpan ="2" >< INPUT id ="FileSelect" style ="WIDTH: 282px; HEIGHT: 22px" type ="file" size ="27" name ="File1" runat ="server" ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 178px" colSpan ="3" >< FONT face ="宋体" > 邮件内容： </ FONT ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 178px" colSpan ="3" >< FONT face ="宋体" >< asp:textbox id ="tbBody" runat ="server" Width ="594px" Height ="167px" TextMode ="MultiLine" ></ asp:textbox ></ FONT ></ TD >

</ TR >

< TR >

< TD style ="WIDTH: 235px" colSpan ="3" >< asp:button id ="btnSubmit" runat ="server" Text ="发送" ></ asp:button >< FONT face ="宋体" ></ FONT ></ TD >

</ TR >

</ TABLE >

</ form >

</ FONT >

</ body >

</ HTML >

后台代码：cs

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Web;

using System.Web.SessionState;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.HtmlControls;

using System.Web.Mail;

namespace MymailSys

{

/// <summary>

/// WebForm1 的摘要说明。

/// </summary>

public class WebMail : System.Web.UI.Page

{

protected System.Web.UI.WebControls.TextBox tbBody;

protected System.Web.UI.WebControls.DropDownList ddlB;

protected System.Web.UI.WebControls.DropDownList ddlp;

protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator3;

protected System.Web.UI.WebControls.TextBox tbSubject;

protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;

protected System.Web.UI.WebControls.TextBox tbTo;

protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;

protected System.Web.UI.WebControls.TextBox tbFrom;

protected System.Web.UI.WebControls.Label Label1;

protected System.Web.UI.WebControls.Label lblShowMsg;

protected System.Web.UI.WebControls.Label Label2;

protected System.Web.UI.HtmlControls.HtmlForm Form1;

protected System.Web.UI.WebControls.TextBox tbServer;

protected System.Web.UI.WebControls.TextBox tbUserName;

protected System.Web.UI.WebControls.TextBox tbPass;

protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator5;

protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator6;

protected System.Web.UI.WebControls.Button btnSubmit;

protected System.Web.UI.HtmlControls.HtmlInputFile FileSelect;

protected System.Web.UI.HtmlControls.HtmlForm Form2;

private void Page_Load(object sender, System.EventArgs e)

{

// 在此处放置用户代码以初始化页面

}

Web 窗体设计器生成的代码

private void btnSubmit_Click(object sender, System.EventArgs e)

{

//SmtpMail.Send("shaozhd@263.net","shaozhd@263.net","Test","Hello");

MailMessage m = new MailMessage();

m.From = tbFrom.Text;

m.To = tbTo.Text;

m.Subject = tbSubject.Text;

m.Body = tbBody.Text;

//优先级

switch(ddlp.SelectedIndex)

{

case 0:

m.Priority = MailPriority.High;

break;

case 1:

m.Priority = MailPriority.Low;

break;

default:

m.Priority = MailPriority.Normal;

break;

}

//格式

if(ddlp.SelectedIndex==0)

m.BodyFormat = MailFormat.Text;

else

m.BodyFormat = MailFormat.Html;

//以下设置服务器

if(tbServer.Text!="")

{

SmtpMail.SmtpServer = tbServer.Text;

//以下代码适用于Framework1.1以上版本。

// m.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate",

// "1"); //basic authentication

// m.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername",

// tbUserName.Text); //set your username here

// m.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword",

// tbPass.Text); //set your password here

}

//以下处理附件

string strFileName = FileSelect.PostedFile.FileName;

if(strFileName!="")

m.Attachments.Add(new MailAttachment(strFileName));

SmtpMail.Send(m);

}

本文转自高海东博客园博客，原文链接：http://www.cnblogs.com/ghd258/archive/2005/10/22/259692.html，如需转载请自行联系原作者

ASP.NET 实现邮件发送和接受的功能（Mail）

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