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mailhelper -------mail帮助类
/// <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
<!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="../style/jquery/jquery.js" type="text/javascript"></script>
<script src="../style/jquery/jquery.validate.js" type="text/javascript"></script>
<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>
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;
}
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