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1.设置QQ邮箱
首先登陆邮箱点击左上角“设置”→“账户”。打开下图红框框内的两项服务。POP3是接收服务端口,IMAP为发送邮件端口,打开此两项服务后我们就能用第三方软件操作QQ邮箱,查看/发送邮件。
然后需要用绑定QQ号的手机发送短信验证,验证通过后就会得到授权码,第三方软件操作QQ邮箱就需要这个授权码和邮箱账号。
2.
上传QQ账户和授权码时,要转换成“Base64编码”再上传给QQ的SMTP服务器:
(关于Base64编码的概念:http://blog.csdn/aaron133/article/details/78352525)
以下是.h文件和.cpp文件:
#pragma once
#include "stdafx.h"
#include <Windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
using namespace std;
#pragma comment(lib, "Ws2_32.lib")
void EncodeBase64(char *dbuf, char *buf128, int len);
char ConvertToBase64(char uc);
// Recor.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include "fetche.h"
//将要发送的邮件内容 (这里的From和To只用于在邮件上显示的)
char EmailContents[] = "From:<124345157@qq>\r\n" //这里只是说明发件人(QQ会检查,标记为垃圾邮件而发送失败)
"To:<109333576@qq>;<519194462@qq>\r\n" //这里只是说明收件人(可以乱填的)
"Subject:第一封测试邮件\r\n\r\n" //邮件标题
"Hello World, Hello Email!"; //邮件内容
//上面的EncodeBase64函数这里就不列出来了
//上面的ConvertToBase64函数这里就不列出来了
int _tmain(int argc, _TCHAR* argv[])
{
system("color 4e");
char buf[1500];
char login[128];
char pass[128];
ZeroMemory(buf, 1500);
ZeroMemory(login, 128);
ZeroMemory(pass, 128);
//加载Winsock库
WSADATA WSAData;
WSAStartup(MAKEWORD(2, 2), &WSAData);
//创建TCP套接字
SOCKET sockfd = socket(AF_INET, SOCK_STREAM, 0);
SOCKADDR_IN dest;
//端口25
dest.sin_port = htons(25);//587也可以
dest.sin_family = AF_INET;
//获取smtp.qq服务器域名所代表的IP地址
hostent* hptr = gethostbyname("smtp.qq");
memcpy(&dest.sin_addr.S_un.S_addr, hptr->h_addr_list[0], hptr->h_length);
//连接腾讯的邮件SMTP服务器
int ok = connect(sockfd, (SOCKADDR*)&dest, sizeof(SOCKADDR));
if (ok != 0)
exit(0);
//用于向服务器标明用户身份,可以为发件人的服务器域名或者主机名
sprintf_s(buf, 1500, "EHLO Aaron-PC\r\n");
send(sockfd, buf, strlen(buf), 0);
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "QQ SMTP Server Say: \r\n" << buf << endl;
//开启安全传输层协议(TLS)
//这里的STARTTLS空格的后面要加一些字符才行,这里不是很懂,但这就可以了.
sprintf_s(buf, 1500, "STARTTLS a\r\n");
send(sockfd, buf, strlen(buf), 0);
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "QQ SMTP Server Say: \r\n" << buf << endl;
//邮箱认证,发送该命令后依次发送邮箱账号和密码(账号密码均使用Base64编码)
sprintf_s(buf, 1500, "AUTH LOGIN\r\n");
send(sockfd, buf, strlen(buf), 0);
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "Auth Login Receive:\r\n " << buf << endl;
//发送QQ账号
ZeroMemory(buf, 1500);
sprintf_s(buf, 1500, "124345157@qq");//你的邮箱账号
//将QQ账号转换为Base64编码再发送
EncodeBase64(login, buf, strlen(buf));
sprintf_s(buf, 1500, "%s\r\n", login);
send(sockfd, buf, strlen(buf), 0);
cout << "Base64 UserName: " << buf << endl;
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "User Login Receive: \r\n" << buf << endl;
//发送密钥(相当于QQ密码,在上面的步骤得到)
sprintf_s(buf, 1500, "tvobjdhevhsabjia"); //QQ邮箱授权码
//将密钥转换为Base64编码再发送
EncodeBase64(pass, buf, strlen(buf));
sprintf_s(buf, 1500, "%s\r\n", pass);
send(sockfd, buf, strlen(buf), 0);
cout << "Base64 Password:\r\n " << buf << endl;
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "Send Password Receive:\r\n " << buf << endl;
//发送MAIL FROM命令指定发件人
ZeroMemory(buf, 1500);
sprintf_s(buf, 1500, "MAIL FROM: <124654157@qq>\r\n");
send(sockfd, buf, strlen(buf), 0);
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "Set Mail From Receive:\r\n " << buf << endl;
//发送一个或多个RCPT TO命令指定收件人
sprintf_s(buf, 1500, "RCPT TO:<%s>\r\n", "2476432103@qq"); //109333576@qq为收件人1
send(sockfd, buf, strlen(buf), 0);
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "Tell Sendto Receive: \r\n" << buf << endl;
sprintf_s(buf, 1500, "RCPT TO:<%s>\r\n", "196578655@163"); //509333576@qq为收件人2
send(sockfd, buf, strlen(buf), 0);
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "Tell Sendto Receive: \r\n" << buf << endl;
//发送一个DATA命令表示准备开始发送邮件内容
sprintf_s(buf, 1500, "DATA\r\n");
send(sockfd, buf, strlen(buf), 0);
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "Send Mail Prepare Receive: \r\n" << buf << endl;
//发送邮件内容,格式:以\r\n.\r\n作为结束标记
sprintf_s(buf, 1500, "%s\r\n.\r\n", EmailContents); //邮件的内容
send(sockfd, buf, strlen(buf), 0);
//接收服务器响应
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "Send Mail Receive: \r\n" << buf << endl;
//使用QUIT命令退出
sprintf_s(buf, 1500, "QUIT\r\n");
send(sockfd, buf, strlen(buf), 0);
ZeroMemory(buf, 1500);
recv(sockfd, buf, 1500, 0);
cout << "Quit Receive: " << buf << endl;
//清理工作
closesocket(sockfd);
WSACleanup();
getchar();
return 0;
}
struct Base64Date6
{
unsigned int d4 : 6;
unsigned int d3 : 6;
unsigned int d2 : 6;
unsigned int d1 : 6;
};
//转换为Base64编码函数
void EncodeBase64(char *dbuf, char *buf128, int len)
{ //参数1:接收新Base64编码的缓冲区 参数2:要转换的字符串缓冲区 参数3:要转换的字符串长度
struct Base64Date6 *ddd = NULL;
int i = 0;
char buf[256] = { 0 };
char *tmp = NULL;
char cc = '\0';
memset(buf, 0, 256);
strcpy_s(buf, 256, buf128);
for (i = 1; i <= len / 3; i++)
{
tmp = buf + (i - 1) * 3;
cc = tmp[2];
tmp[2] = tmp[0];
tmp[0] = cc;
ddd = (struct Base64Date6 *)tmp;
dbuf[(i - 1) * 4 + 0] = ConvertToBase64((unsigned int)ddd->d1);
dbuf[(i - 1) * 4 + 1] = ConvertToBase64((unsigned int)ddd->d2);
dbuf[(i - 1) * 4 + 2] = ConvertToBase64((unsigned int)ddd->d3);
dbuf[(i - 1) * 4 + 3] = ConvertToBase64((unsigned int)ddd->d4);
}
if (len % 3 == 1)
{
tmp = buf + (i - 1) * 3;
cc = tmp[2];
tmp[2] = tmp[0];
tmp[0] = cc;
ddd = (struct Base64Date6 *)tmp;
dbuf[(i - 1) * 4 + 0] = ConvertToBase64((unsigned int)ddd->d1);
dbuf[(i - 1) * 4 + 1] = ConvertToBase64((unsigned int)ddd->d2);
dbuf[(i - 1) * 4 + 2] = '=';
dbuf[(i - 1) * 4 + 3] = '=';
}
if (len % 3 == 2)
{
tmp = buf + (i - 1) * 3;
cc = tmp[2];
tmp[2] = tmp[0];
tmp[0] = cc;
ddd = (struct Base64Date6 *)tmp;
dbuf[(i - 1) * 4 + 0] = ConvertToBase64((unsigned int)ddd->d1);
dbuf[(i - 1) * 4 + 1] = ConvertToBase64((unsigned int)ddd->d2);
dbuf[(i - 1) * 4 + 2] = ConvertToBase64((unsigned int)ddd->d3);
dbuf[(i - 1) * 4 + 3] = '=';
}
return;
}
//辅助计算的函数
char ConvertToBase64(char uc)
{
if (uc < 26)
{
return 'A' + uc;
}
if (uc < 52)
{
return 'a' + (uc - 26);
}
if (uc < 62)
{
return '0' + (uc - 52);
}
if (uc == 62)
{
return '+';
}
return '/';
}
把授权码填入相应位置后设置好接收和抄送的邮箱后运行,就能接收到邮件。
参考文章:https://blog.csdn/Aaron133/article/details/78363844
示例工程:https://download.csdn/download/l198738655/10800352
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