How to access SMTP/POP server using telnet - 用 Telnet 如何访问邮件服务器

1、Telnet smtp.163.com 25

 

2、Telnet pop.163.com 110

 

+OK Welcome to coremail Mail Pop3 Server (163coms[a0654ba7f7f5aa9d955bab4e305f6a
d7s])
user hackerjly
+OK core mail
PASS 123456
+OK 161 message(s) [96226402 byte(s)]
STAT
+OK 161 96226402
list
+OK 42
1 1669
2 1492
3 1772
4 4330
5 3560
6 1366
7 1675
8 1571
9 1684
10 1382
11 1678
12 1466
13 1399
14 6485
15 1333
16 1482
17 1347
18 1670
19 1867
20 1388
21 1403
22 1455
23 1397
24 1712
25 1479
26 1405
27 1387
28 2669
29 1612
30 2379
31 1979
32 1678
33 1627
34 1366
35 1383
36 1811
37 85949
38 1733
39 2302
40 1401
41 1589
42 2087
RETR 161

+OK 2242 octets
Received: from hackerjly (unknown [222.125.214.14])
        by smtp3 (Coremail) with SMTP id DdGowLALVwJDUUZJ9edXAA--.42182S2;
        Mon, 15 Dec 2008 20:44:56 +0800 (CST)
To:<HackerJLY@qq.com;HackerJLY@hotmail.com;Jackie-Ji@hotmail.com;JiLieYong@qq.co
m;JiLieYong@hotmail.com>
From:<HackerJLY@163.com>
Date:Monday,15 December 2008,20:44:56 中国标准时间
Subject:
X-Mailer: HackerJLY Mail Sender[prjSendMail] [China]
MIME-Version:1.0
Content-Type:multipart/mixed;Boundary=HackerJLY.spaces.live.com
X-Coremail-Antispam: 1Uf129KBjvdXoWrWw4UXr1rGw45Cryruw1Dtrb_yoWxXrb_Ja
        45J3W7Xr17Ar45Jr1DJr13JF1DGw1UXr1Dtr1DJr4UJr17Jr1DGr1DJr4DXryUXF15Cr1U
        tw1UXr1UJ34rGjkaLaAFLSUrUUUUbbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnRJUUU
        qIb7IF0VACp39vda4lb7IF0VCF04k20xvEw2I207IF0wAYjsxI4VWUJwAYFVCjjxCrM7AC
        8VAFwI0_Jr0_Gr1l1I0E4x80FVCIwcAKzIAtM7C26IkvcIIF6IxKo4kEV4yl1IIY67AEw4
        v_Jr0_Jr4ln7IjY7xE6298M2kK64xIx7IE7I0Y6xkF7I0E548m6r1DJF18twAawVAKI48G
        4IxY6c8GOVWUur1DGr1ln4vEacka2VAqrcv_Jw1UuryUMc02F40EFcxC0VAKzVAqx4xG6I
        80ewAvwIk0rcx26280x24lYx0E2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE14v26r1j
        6r4UM4x0Y48IcxkI7VAKI48JM4IEnf9ElVAFpTB2q-sK649IAas0WaI_GwAKzVAC0xCFj2
        AI6cx7M4kE6xkIj40Ew7xC0wCjxxvEw4Wlc7CjxVAaw2AFwI0_Jw0_GFylc7CjxVAKzI0E
        Y4vE52x082I5MxkIecxEwVAFwVW5JwCY0x0Ix7I2Y4AK64vIr41l4x8a6c8ajcxJMI8E67
        AF67kF1VAFwI0_JF0_Jw1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvE
        c7CjxVAFwI0_Gr0_Cr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267
        AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IUodwIDUUUUU==
Message-Id: <49465148.005DA9.02325@m50-133.163.com>

--HackerJLY.spaces.live.com
Content-type:text/plain;Charset=gb2312
Content-Transfer-Encoding:8bit

----------------------------
Best Regards,
Jackie Ji

EMail:   Jackie-Ji@qq.com ; Jackie-Ji@hotmail.com
Handset: (86)15820476367

--------------------------------------------------------------------------------
---------------------------
HackerJLY 邮件群发器(支持附件.通讯录.签名)
http://community.kingdee.com/images/blogs/files/8329/优快云BlogDownload/Program_Ha
ckerJLY/VC6/prjSendMail.rar

HackerJLY 进程管理器(支持批量结束进程)
http://community.kingdee.com/images/blogs/files/8329/优快云BlogDownload/Program_Ha
ckerJLY/VC6/prjProcessManager.rar
--HackerJLY.spaces.live.com--
.
dele 161
+OK core mail
rset+OK core mail
uidl 161
+OK 161 1tbixhnLjEPUi9pMXwAAsN
top 161
5op
-ERR Unknown message
top 161 5
-ERR Unknown message
TOP 161 3
-ERR Unknow command
+OK 2242 octets
Received: from hackerjly (unknown [222.125.214.14])
        by smtp3 (Coremail) with SMTP id DdGowLALVwJDUUZJ9edXAA--.42182S2;
        Mon, 15 Dec 2008 20:44:56 +0800 (CST)
To:<HackerJLY@qq.com;HackerJLY@hotmail.com;Jackie-Ji@hotmail.com;JiLieYong@qq.co
m;JiLieYong@hotmail.com>
From:<HackerJLY@163.com>
Date:Monday,15 December 2008,20:44:56 中国标准时间
Subject:
X-Mailer: HackerJLY Mail Sender[prjSendMail] [China]
MIME-Version:1.0
Content-Type:multipart/mixed;Boundary=HackerJLY.spaces.live.com
X-Coremail-Antispam: 1Uf129KBjvdXoWrWw4UXr1rGw45Cryruw1Dtrb_yoWxXrb_Ja
        45J3W7Xr17Ar45Jr1DJr13JF1DGw1UXr1Dtr1DJr4UJr17Jr1DGr1DJr4DXryUXF15Cr1U
        tw1UXr1UJ34rGjkaLaAFLSUrUUUUbbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnRJUUU
        qIb7IF0VACp39vda4lb7IF0VCF04k20xvEw2I207IF0wAYjsxI4VWUJwAYFVCjjxCrM7AC
        8VAFwI0_Jr0_Gr1l1I0E4x80FVCIwcAKzIAtM7C26IkvcIIF6IxKo4kEV4yl1IIY67AEw4
        v_Jr0_Jr4ln7IjY7xE6298M2kK64xIx7IE7I0Y6xkF7I0E548m6r1DJF18twAawVAKI48G
        4IxY6c8GOVWUur1DGr1ln4vEacka2VAqrcv_Jw1UuryUMc02F40EFcxC0VAKzVAqx4xG6I
        80ewAvwIk0rcx26280x24lYx0E2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE14v26r1j
        6r4UM4x0Y48IcxkI7VAKI48JM4IEnf9ElVAFpTB2q-sK649IAas0WaI_GwAKzVAC0xCFj2
        AI6cx7M4kE6xkIj40Ew7xC0wCjxxvEw4Wlc7CjxVAaw2AFwI0_Jw0_GFylc7CjxVAKzI0E
        Y4vE52x082I5MxkIecxEwVAFwVW5JwCY0x0Ix7I2Y4AK64vIr41l4x8a6c8ajcxJMI8E67
        AF67kF1VAFwI0_JF0_Jw1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvE
        c7CjxVAFwI0_Gr0_Cr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267
        AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IUodwIDUUUUU==
Message-Id: <49465148.005DA9.02325@m50-133.163.com>

--HackerJLY.spaces.live.com
Content-type:text/plain;Charset=gb2312
Content-Transfer-Encoding:8bit

----------------------------
.
+OK 2242 octets
Received: from hackerjly (unknown [222.125.214.14])
        by smtp3 (Coremail) with SMTP id DdGowLALVwJDUUZJ9edXAA--.42182S2;
        Mon, 15 Dec 2008 20:44:56 +0800 (CST)
To:<HackerJLY@qq.com;HackerJLY@hotmail.com;Jackie-Ji@hotmail.com;JiLieYong@qq.co
m;JiLieYong@hotmail.com>
From:<HackerJLY@163.com>
Date:Monday,15 December 2008,20:44:56 中国标准时间
Subject:
X-Mailer: HackerJLY Mail Sender[prjSendMail] [China]
MIME-Version:1.0
Content-Type:multipart/mixed;Boundary=HackerJLY.spaces.live.com
X-Coremail-Antispam: 1Uf129KBjvdXoWrWw4UXr1rGw45Cryruw1Dtrb_yoWxXrb_Ja
        45J3W7Xr17Ar45Jr1DJr13JF1DGw1UXr1Dtr1DJr4UJr17Jr1DGr1DJr4DXryUXF15Cr1U
        tw1UXr1UJ34rGjkaLaAFLSUrUUUUbbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnRJUUU
        qIb7IF0VACp39vda4lb7IF0VCF04k20xvEw2I207IF0wAYjsxI4VWUJwAYFVCjjxCrM7AC
        8VAFwI0_Jr0_Gr1l1I0E4x80FVCIwcAKzIAtM7C26IkvcIIF6IxKo4kEV4yl1IIY67AEw4
        v_Jr0_Jr4ln7IjY7xE6298M2kK64xIx7IE7I0Y6xkF7I0E548m6r1DJF18twAawVAKI48G
        4IxY6c8GOVWUur1DGr1ln4vEacka2VAqrcv_Jw1UuryUMc02F40EFcxC0VAKzVAqx4xG6I
        80ewAvwIk0rcx26280x24lYx0E2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE14v26r1j
        6r4UM4x0Y48IcxkI7VAKI48JM4IEnf9ElVAFpTB2q-sK649IAas0WaI_GwAKzVAC0xCFj2
        AI6cx7M4kE6xkIj40Ew7xC0wCjxxvEw4Wlc7CjxVAaw2AFwI0_Jw0_GFylc7CjxVAKzI0E
        Y4vE52x082I5MxkIecxEwVAFwVW5JwCY0x0Ix7I2Y4AK64vIr41l4x8a6c8ajcxJMI8E67
        AF67kF1VAFwI0_JF0_Jw1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvE
        c7CjxVAFwI0_Gr0_Cr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267
        AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IUodwIDUUUUU==
Message-Id: <49465148.005DA9.02325@m50-133.163.com>

--HackerJLY.spaces.live.com
Content-type:text/plain;Charset=gb2312
Content-Transfer-Encoding:8bit
.
NOOP
+OK core mail
QUIT
+OK core mail


失去了跟主机的连接。

C:/Documents and Settings/Administrator>

这段代码是一个基于CANoe的TCP服务器端脚本示例,主要用于网络通信场景。以下是对代码的详细解释以及如何添加注释以提高可读性。 ### 改进后的代码及注释 ```csharp /// ---------------------------------------------------------------------------------------- /// TCP Demo (Server side) /// (c) by Vector Informatics GmbH /// /// Description: /// This script demonstrates how to set up a TCP server in CANoe. It initializes a server /// that listens for incoming connections and handles communication with clients. /// /// Hints: /// - If the reference to "System" is missing, you need to add it manually. /// - To use SystemVariables, ensure that the generated "...sysvars.dll" is included in your references. /// If it is not, add it by browsing to the file location. /// ---------------------------------------------------------------------------------------- using System; // Provides basic system functionality using Vector.Tools; // Vector-specific tools library using Vector.CANoe.Runtime; // CANoe runtime support for measurement scripts using Vector.CANoe.Sockets; // Socket-related functionalities for CANoe using System.Runtime.Remoting.Messaging; // For remote messaging capabilities using System.Collections.Generic; // Provides generic collection types /// <summary> /// TcpServerNode Measurement Script class. /// This represents the CANoe-Simulation node, which is a basic MeasurementScript /// that initializes a TcpServer to handle networking tasks. /// </summary> public class TcpServerNode : MeasurementScript { private TcpServer _tcpServer; // The TCP server instance private List<TcpClient> _clients = new List<TcpClient>(); // List of connected clients /// <summary> /// Initializes the TCP server and starts listening for incoming connections. /// </summary> public override void Initialize() { base.Initialize(); // Create a new TCP server instance and bind it to port 5000 _tcpServer = new TcpServer(5000); // Add event handlers for client connection/disconnection events _tcpServer.ClientConnected += OnClientConnected; _tcpServer.ClientDisconnected += OnClientDisconnected; // Start the server _tcpServer.Start(); } /// <summary> /// Handles client connection events. /// </summary> /// <param name="client">The newly connected client.</param> private void OnClientConnected(TcpClient client) { // Add the new client to the list _clients.Add(client); // Log the connection event CANoeApp.LogStatus($"Client connected: {client.RemoteEndPoint}"); } /// <summary> /// Handles client disconnection events. /// </summary> /// <param name="client">The disconnected client.</param> private void OnClientDisconnected(TcpClient client) { // Remove the client from the list _clients.Remove(client); // Log the disconnection event CANoeApp.LogStatus($"Client disconnected: {client.RemoteEndPoint}"); } /// <summary> /// Cleans up resources when the measurement script ends. /// </summary> public override void Terminate() { base.Terminate(); // Stop the server and close all client connections if (_tcpServer != null && _tcpServer.IsRunning) { _tcpServer.Stop(); } } } ``` --- ### 代码解释 1. **命名空间引用**: - `System`: 提供基本的系统功能。 - `Vector.Tools` 和 `Vector.CANoe.*`: 提供与CANoe相关的工具和运行时支持。 - `System.Runtime.Remoting.Messaging`: 用于远程消息传递(如果需要)。 - `System.Collections.Generic`: 提供泛型集合类型,例如`List<T>`。 2. **TcpServerNode 类**: - 继承自 `MeasurementScript`,这是CANoe中用于测量脚本的基本类。 - 包含一个 `_tcpServer` 实例,用于管理TCP服务器。 - 使用 `_clients` 列表来跟踪所有连接的客户端。 3. **Initialize 方法**: - 在脚本初始化时调用。 - 创建并启动TCP服务器,绑定到指定端口(此处为5000)。 - 注册客户端连接和断开事件的处理程序。 4. **OnClientConnected 和 OnClientDisconnected 方法**: - 处理客户端连接和断开事件。 - 将新连接的客户端添加到列表中,或从列表中移除断开的客户端。 - 使用 `CANoeApp.LogStatus` 记录事件日志。 5. **Terminate 方法**: - 在脚本终止时调用。 - 停止TCP服务器并释放相关资源。 --- ###
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