C++ 使用SMTP协议和boost库发送电子邮件
我正在尝试使用SMTP协议和boost库发送电子邮件 但由于某些原因,我无法连接到hotmail smtp服务器并向自己发送电子邮件 这是我的代码: 我做错了什么C++ 使用SMTP协议和boost库发送电子邮件,c++,boost,tcp,network-programming,smtp,C++,Boost,Tcp,Network Programming,Smtp,我正在尝试使用SMTP协议和boost库发送电子邮件 但由于某些原因,我无法连接到hotmail smtp服务器并向自己发送电子邮件 这是我的代码: 我做错了什么 DNS_RECORD* ppQueryResultsSet = NULL; // dns mx lookup DnsQuery(L"hotmail.com", DNS_TYPE_MX, DNS_QUERY_STANDARD, NULL, &ppQueryResultsSet, NULL);
DNS_RECORD* ppQueryResultsSet = NULL;
// dns mx lookup
DnsQuery(L"hotmail.com", DNS_TYPE_MX, DNS_QUERY_STANDARD, NULL, &ppQueryResultsSet, NULL);
if (ppQueryResultsSet == NULL)
return false;
// i am getting the mx servers (i.e: mx3.hotmail.com)
wcout << "MX Host name: " << ppQueryResultsSet->Data.MX.pNameExchange << endl;
DnsRecordListFree(ppQueryResultsSet, DnsFreeRecordList);
string host_name = String_Convertion::WStringToString(ppQueryResultsSet->Data.MX.pNameExchange);
// setting up socket connection
boost::asio::io_service io_service;
tcp::resolver resolver(io_service);
tcp::resolver::query query(host_name, "25");
tcp::resolver::iterator endpoint_iterator = resolver.resolve(query), end;
tcp::socket socket(io_service);
// connecting to the server
boost::system::error_code error_code_connect;
boost::asio::connect(socket, endpoint_iterator, end, error_code_connect);
if (error_code_connect)
{
cout << "Error connecting to SMTP Server" << endl;
return false;
}
boost::system::error_code error;
std::string temp_buf;
boost::array<char, 128> buf;
size_t len;
// settings the packets to send
list<string> packets;
packets.push_back("HELO");
packets.push_back("MAIL FROM: xxx@xxx.xxx");
packets.push_back("VRFY xxx@xxx.xxx");
packets.push_back("RCPT TO: x@hotmail.com");
packets.push_back("DATA");
packets.push_back("Subject: subject!");
packets.push_back("hi how are you doing?.");
packets.push_back("QUIT");
list<string>::iterator it;
// iterating to send the packets
for (it = packets.begin(); it != packets.end(); it++)
{
socket.write_some(boost::asio::buffer(*it+"\r\n"));
len = socket.read_some(boost::asio::buffer(buf), error);
temp_buf = buf.data();
temp_buf = temp_buf.substr(0, len);
cout << temp_buf << endl;
}
DNS_记录*ppQueryResultsSet=NULL;
//dns mx查找
DnsQuery(L“hotmail.com”、DNS_TYPE_MX、DNS_QUERY_STANDARD、NULL和ppQueryResultsSet、NULL);
if(ppQueryResultsSet==NULL)
返回false;
//我正在获取mx服务器(即:mx3.hotmail.com)
wcout我认为您需要了解一下boost:asio的工作原理。实际上,您正在创建一个服务,但从未调用run()
。查看聊天示例,注意它生成了一个专门用于执行工作的线程:
boost::thread t(boost::bind(&boost::asio::io_service::run, &io_service));
尽管可能存在其他问题,但在邮件标题和正文之间还需要一个额外的\r\n
您还需要通过发送一行仅包含\r\n
的内容来正确终止数据
部分。是否有响应VRFY
命令的SMTP服务器?