asp.net发送邮件示例分享

站长资源 2024/11/29 佚名

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mailhelper -------mail帮助类

复制代码代码如下:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mail;

/// <summary>
///mailhelper 的摘要说明
/// </summary>
public class mailhelper
{
    public mailhelper()
    {
        //
        //TODO: 在此处添加构造函数逻辑
        //
    }

    /// <summary>
    /// 邮件发送操作
    /// </summary>
    /// <param name="Addressee">收件人地址</param>
    /// <param name="From">发件人地址</param>
    /// <param name="sendpassword">发件人密码</param>
    /// <param name="Copy">抄送人地址</param>
    /// <param name="secret">密送人地址</param>
    /// <param name="Subject">发送主题</param>
    /// <param name="Attachment">附件信息</param>
    /// <param name="Body">邮件内容</param>
    public string SendeEmal(string Addressee, string From, string sendpassword, string Copy, string secret, string Subject, string Attachment, string Body)
    {
        MailMessage objMailMessage;
        MailAttachment objMailAttachment;

// 创建邮件消息
objMailMessage = new MailMessage();

//发件人EMAIL
objMailMessage.From = From;//源邮件地址

        //收件人EMAIL
        objMailMessage.To = Addressee; //目的邮件地址
        //邮件抄送
        objMailMessage.Cc = Copy;
        //邮件misong
        objMailMessage.Bcc = secret;

//邮件主题
objMailMessage.Subject = Subject; //发送邮件的标题

//邮件内容
objMailMessage.Body = Body;//发送邮件的内容

        // 创建一个附件对象
        if (Attachment != "")
        {
            objMailAttachment = new MailAttachment(Attachment);//发送邮件的附件 c:\\test.txt
            objMailMessage.Attachments.Add(objMailAttachment);//将附件附加到邮件消息对象中
        }

        //接着利用SMTP来发送邮件，需要使用Microsoft .NET Framework SDK v1.1和它以上的版本
        //基本权限
        objMailMessage.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1");
        //用户名
        string name = From.Substring(0, From.IndexOf('@'));
        objMailMessage.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", name);
        //密码
        objMailMessage.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", sendpassword);
        //如果没有上述三行代码，则出现如下错误提示：服务器拒绝了一个或多个收件人地址。服务器响应为: 554 : Client host rejected: Access denied
        //SMTP地址
        string smtp = "smtp." + From.Substring(From.IndexOf('@') + 1);
        SmtpMail.SmtpServer = "smtp." + From.Substring(From.IndexOf('@') + 1);
        //开始发送邮件

        try
        {
            SmtpMail.Send(objMailMessage);
            return "邮件发送成功！";
        }
        catch (System.Net.Mail.SmtpException ex)
        {
            return ex.Message;
        }
        //核心代码结束
    }
}

然后下来是自己做的一个demo--

前台
复制代码代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="mail.aspx.cs" Inherits="information_mail"
ValidateRequest="false" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script src="/UploadFiles/2021-04-02/jquery.js"> <script src="../Style/jquery/jquery.validate.js"> <script language="javascript" type="text/javascript">

        function gei() {
            var file_value = document.getElementById("File1").value;
            document.getElementById("HiddenField1").value = file_value;
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        发给：<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
        抄送：<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />
        密送：<asp:TextBox ID="TextBox4" runat="server"></asp:TextBox><br />
        主题：<asp:TextBox ID="TextBox5" runat="server"></asp:TextBox><br />
        内容：<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox><br />
        附件：<input id="File1" type="file" />
        <%--<asp:TextBox ID="TextBox6" runat="server"></asp:TextBox>--%>
        <br />
        <asp:Button ID="Button1" runat="server" Text="发送" OnClientClick="gei()" OnClick="Button1_Click" /><br />
        <asp:Label ID="Label1" runat="server" Text=""></asp:Label>
    </div>
    <asp:HiddenField ID="HiddenField1" runat="server" />
    </form>
</body>
</html>

后台：
复制代码代码如下:
protected void Button1_Click(object sender, EventArgs e)
    {        //实例邮件帮助类
        mailhelper mails = new mailhelper();

string filePath = HiddenField1.Value;

string a = mails.SendeEmal(TextBox1.Text, "邮件账号", "邮件密码", TextBox2.Text, TextBox4.Text, TextBox5.Text, filePath, TextBox3.Text);

Label1.Text = a;
}

asp.net,发送邮件

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