创建基于ASP.NET的SMTP邮件服务

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本文展示了如何创建一个用于asp.net的功能齐全的smtp邮件服务

作者：running_su 来源：论坛 2007年11月13日

关键字：

下面是完整的代码。

using System.IO;
using System.Net.Sockets;
namespace MyComponents
{
public class ClientConnection : TcpClient
{
private NetworkStream _NetworkStream = null;
private StreamReader _StreamReader = null;
private StreamWriter _StreamWriter = null;
public void Initialise()
{
_NetworkStream = this.GetStream();
_StreamReader = new StreamReader(_NetworkStream,
System.Text.Encoding.Default, false, this.ReceiveBufferSize);
_StreamWriter = new StreamWriter(_NetworkStream,
System.Text.Encoding.Default, this.SendBufferSize);
}
public void Send(string s)
{
_StreamWriter.WriteLine(s);
_StreamWriter.Flush();
}
public string Read()
{
return _StreamReader.ReadLine();
}
}
public class Mail
{
public string MailServer = "127.0.0.1" ;
public string From = "" ;
public string To = "" ;
public string Body = "" ;
public string Subject = "" ;
private ClientConnection tcp=null;
private string Response="";
public void Send()
{
tcp = new ClientConnection();
tcp.Connect(MailServer,25);
tcp.Initialise();
SendCommandToServer("HELO " + System.Net.Dns.GetHostName());
SendCommandToServer("MAIL FROM: " + From + "\r\n");
SendCommandToServer("RCPT TO: " + To + "\r\n");
string StrHeaders = "";
StrHeaders += "From: " + From + "\r\n";
StrHeaders += "To: " + To + "\r\n";
StrHeaders += "Subject: " + Subject + "\r\n";
StrHeaders += "Content-type: text/plain; charset=\"ISO-8859-1\"" + "\r\n";
SendCommandToServer("DATA\r\n" + StrHeaders);
SendCommandToServer(Body + "\r\n.\r\n");
SendCommandToServer("QUIT\r\n");
}
private void SendCommandToServer(string cmd)
{
tcp.Send(cmd);
Response=tcp.Read();
System.Web.HttpContext.Current.Trace.Warn("Response",Response);
}
}
}

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