C#发送邮件代码

using System;


using System.Net;


using System.Net.Mail;


using System.Net.Mime;


namespace Fish






{




/**//// <summary>


/// 发送邮件的类


/// </summary>


public class SendMail






{


private MailMessage mailMessage;


private SmtpClient smtpClient;


private string password;//发件人密码




/**//// <summary>


/// 处审核后类的实例


/// </summary>


/// <param name="To">收件人地址</param>


/// <param name="From">发件人地址</param>


/// <param name="Body">邮件正文</param>


/// <param name="Title">邮件的主题</param>


/// <param name="Password">发件人密码</param>


public SendMail(string To, string From, string Body, string Title, string


Password)






{


mailMessage = new MailMessage();


mailMessage.To.Add(To);


mailMessage.From = new System.Net.Mail.MailAddress(From);


mailMessage.Subject = Title;


mailMessage.Body = Body;


mailMessage.IsBodyHtml = true;


mailMessage.BodyEncoding = System.Text.Encoding.UTF8;


mailMessage.Priority = System.Net.Mail.MailPriority.Normal;


this.password = Password;


}




/**//// <summary>


/// 添加附件


/// </summary>


public void Attachments(string Path)






{


string[] path = Path.Split(',');


Attachment data;


ContentDisposition disposition;


for (int i = 0; i < path.Length; i++)






{


data = new Attachment(path[i], MediaTypeNames.Application.Octet);//实例化


附件


disposition = data.ContentDisposition;


disposition.CreationDate = System.IO.File.GetCreationTime(path[i]);//获取


附件的创建日期


disposition.ModificationDate = System.IO.File.GetLastWriteTime(path[i]);//


获取附件的修改日期


disposition.ReadDate = System.IO.File.GetLastAccessTime(path[i]);//获取附


件的读取日期


mailMessage.Attachments.Add(data);//添加到附件中


}


}




/**//// <summary>


/// 异步发送邮件


/// </summary>


/// <param name="CompletedMethod"></param>


public void SendAsync(SendCompletedEventHandler CompletedMethod)






{


if (mailMessage != null)






{


smtpClient = new SmtpClient();


smtpClient.Credentials = new System.Net.NetworkCredential


(mailMessage.From.Address, password);//设置发件人身份的票据


smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;


smtpClient.Host = "smtp." + mailMessage.From.Host;


smtpClient.SendCompleted += new SendCompletedEventHandler


(CompletedMethod);//注册异步发送邮件完成时的事件


smtpClient.SendAsync(mailMessage, mailMessage.Body);


}


}




/**//// <summary>


/// 发送邮件


/// </summary>


public void Send()






{


if (mailMessage != null)






{


smtpClient = new SmtpClient();


smtpClient.Credentials = new System.Net.NetworkCredential


(mailMessage.From.Address, password);//设置发件人身份的票据


smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;


smtpClient.Host = "smtp." + mailMessage.From.Host;


smtpClient.Send(mailMessage);


}


}


}


}