Envoyer un e-mail via Gmail à l'aide de C++, Linux

Question

Je souhaite envoyer un e-mail via Gmail avec C++, car l'utilisateur envoie un e-mail à partir d'un client de messagerie de bureau configuré pour utiliser un compte Gmail.

J'ai regardé un peu comme jwSMTP et popen + sendmail, mais ceux-ci semblent ne fonctionner que si l'hôte est un serveur de messagerie. Je sais que cette tâche est un bon chemin en Python, mais je ne l'ai jamais essayé en C++.

Aide appréciée! . (C:

Answer 1

vous seriez envoi de courrier par le serveur smtp de gmail (smtp.gmail.com) Le client devra prendre en charge SSL ou TLS pour se connecter

• msmtp - http://msmtp.sourceforge.net/

.

• libESMTP - http://www.stafford.uklinux.net/libesmtp/

Les deux SSL/TLS de soutien et devrait fonctionner très bien avec gmail Les paramètres d'envoyer l'esprit de courrier sortant. h gmail serait:

Outgoing Mail (SMTP) Server (requires TLS or SSL): smtp.gmail.com 
Use Authentication: Yes 
Port for TLS/STARTTLS: 587 
Port for SSL: 465 
Account Name: your full email address (including @gmail.com or @your_domain.com) 
Email Address: your email address (username@gmail.com or username@your_domain.com) 
Password: your Gmail password 

http://mail.google.com/support/bin/answer.py?hl=en&answer=13287

Answer 2

Fondamentalement, toute bibliothèque SMTP décent disponible sur linux devrait faire le travail, par exemple POCO offres SMTPClientSession.

Answer 3

Salut, merci pour les réponses. J'ai fini par utiliser popen avec sendemail, qui est un programme dans les repos Ubuntu. Peut-être que lorsque je disposerai de plus de temps, je pourrai passer à l'utilisation de certaines des bibliothèques mentionnées ci-dessus au lieu de programmes séparés.

~ Klaus Fiedler

Answer 4

#include <windows.h> 
#include <winsock2.h> 

#pragma comment(lib, "ws2_32.lib") 

// Insist on at least Winsock v1.1 
const VERSION_MAJOR = 1; 
const VERSION_MINOR = 1; 

#define CRLF "\r\n"     // carriage-return/line feed pair 

void ShowUsage(void) 
{ 
    cout << "Usage: SENDMAIL mailserv to_addr from_addr messagefile" << endl 
     << "Example: SENDMAIL smtp.myisp.com rcvr@elsewhere.com my_id@mydomain.com message.txt" << endl; 

    exit(1); 
} 

// Basic error checking for send() and recv() functions 
void Check(int iStatus, char *szFunction) 
{ 
    if((iStatus != SOCKET_ERROR) && (iStatus)) 
    return; 

    cerr << "Error during call to " << szFunction << ": " << iStatus << " - " << GetLastError() << endl; 
} 

int main(int argc, char *argv[]) 
{ 
    int   iProtocolPort  = 0; 
    char  szSmtpServerName[64] = ""; 
    char  szToAddr[64]   = ""; 
    char  szFromAddr[64]  = ""; 
    char  szBuffer[4096]  = ""; 
    char  szLine[255]   = ""; 
    char  szMsgLine[255]  = ""; 
    SOCKET  hServer; 
    WSADATA  WSData; 
    LPHOSTENT lpHostEntry; 
    LPSERVENT lpServEntry; 
    SOCKADDR_IN SockAddr; 

    // Check for four command-line args 
    if(argc != 5) 
    ShowUsage(); 

    // Load command-line args 
    lstrcpy(szSmtpServerName, argv[1]); 
    lstrcpy(szToAddr, argv[2]); 
    lstrcpy(szFromAddr, argv[3]); 

    // Create input stream for reading email message file 
    ifstream MsgFile(argv[4]); 

    // Attempt to intialize WinSock (1.1 or later) 
    if(WSAStartup(MAKEWORD(VERSION_MAJOR, VERSION_MINOR), &WSData)) 
    { 
    cout << "Cannot find Winsock v" << VERSION_MAJOR << "." << VERSION_MINOR << " or later!" << endl; 

    return 1; 
    } 

    // Lookup email server's IP address. 
    lpHostEntry = gethostbyname(szSmtpServerName); 
    if(!lpHostEntry) 
    { 
    cout << "Cannot find SMTP mail server " << szSmtpServerName << endl; 

    return 1; 
    } 

    // Create a TCP/IP socket, no specific protocol 
    hServer = socket(PF_INET, SOCK_STREAM, 0); 
    if(hServer == INVALID_SOCKET) 
    { 
    cout << "Cannot open mail server socket" << endl; 

    return 1; 
    } 

    // Get the mail service port 
    lpServEntry = getservbyname("mail", 0); 

    // Use the SMTP default port if no other port is specified 
    if(!lpServEntry) 
    iProtocolPort = htons(IPPORT_SMTP); 
    else 
    iProtocolPort = lpServEntry->s_port; 

    // Setup a Socket Address structure 
    SockAddr.sin_family = AF_INET; 
    SockAddr.sin_port = iProtocolPort; 
    SockAddr.sin_addr = *((LPIN_ADDR)*lpHostEntry->h_addr_list); 

    // Connect the Socket 
    if(connect(hServer, (PSOCKADDR) &SockAddr, sizeof(SockAddr))) 
    { 
    cout << "Error connecting to Server socket" << endl; 

    return 1; 
    } 

    // Receive initial response from SMTP server 
    Check(recv(hServer, szBuffer, sizeof(szBuffer), 0), "recv() Reply"); 

    // Send HELO server.com 
    sprintf(szMsgLine, "HELO %s%s", szSmtpServerName, CRLF); 
    Check(send(hServer, szMsgLine, strlen(szMsgLine), 0), "send() HELO"); 
    Check(recv(hServer, szBuffer, sizeof(szBuffer), 0), "recv() HELO"); 

    // Send MAIL FROM: <sender@mydomain.com> 
    sprintf(szMsgLine, "MAIL FROM:<%s>%s", szFromAddr, CRLF); 
    Check(send(hServer, szMsgLine, strlen(szMsgLine), 0), "send() MAIL FROM"); 
    Check(recv(hServer, szBuffer, sizeof(szBuffer), 0), "recv() MAIL FROM"); 

    // Send RCPT TO: <receiver@domain.com> 
    sprintf(szMsgLine, "RCPT TO:<%s>%s", szToAddr, CRLF); 
    Check(send(hServer, szMsgLine, strlen(szMsgLine), 0), "send() RCPT TO"); 
    Check(recv(hServer, szBuffer, sizeof(szBuffer), 0), "recv() RCPT TO"); 

    // Send DATA 
    sprintf(szMsgLine, "DATA%s", CRLF); 
    Check(send(hServer, szMsgLine, strlen(szMsgLine), 0), "send() DATA"); 
    Check(recv(hServer, szBuffer, sizeof(szBuffer), 0), "recv() DATA"); 

    // Send all lines of message body (using supplied text file) 
    MsgFile.getline(szLine, sizeof(szLine));    // Get first line 

    do   // for each line of message text... 
    { 
    sprintf(szMsgLine, "%s%s", szLine, CRLF); 
    Check(send(hServer, szMsgLine, strlen(szMsgLine), 0), "send() message-line"); 
    MsgFile.getline(szLine, sizeof(szLine)); // get next line. 
    } while(MsgFile.good()); 

    // Send blank line and a period 
    sprintf(szMsgLine, "%s.%s", CRLF, CRLF); 
    Check(send(hServer, szMsgLine, strlen(szMsgLine), 0), "send() end-message"); 
    Check(recv(hServer, szBuffer, sizeof(szBuffer), 0), "recv() end-message"); 

    // Send QUIT 
    sprintf(szMsgLine, "QUIT%s", CRLF); 
    Check(send(hServer, szMsgLine, strlen(szMsgLine), 0), "send() QUIT"); 
    Check(recv(hServer, szBuffer, sizeof(szBuffer), 0), "recv() QUIT"); 

    // Report message has been sent 
    cout << "Sent " << argv[4] << " as email message to " << szToAddr << endl; 

    // Close server socket and prepare to exit. 
    closesocket(hServer); 

    WSACleanup(); 

    return 0; 
}