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Pop3

 

Examples of using Core/POP3 package to download gmail emails

 

 

Pop3.cpp

 

#include <Core/POP3/POP3.h>

 

using namespace Upp;

 

// WIN32: This example requires OpenSSL .dlls to be available

 

CONSOLE_APP_MAIN

{

    Cout() << "Your GMail username: ";

    String user = ReadStdIn();

    Cout() << "Your GMail password: ";

    String pass = ReadStdIn();

    Pop3 pop3;

    pop3.Host("pop.gmail.com")

             .Port(995)

             .User(user, pass)

             .SSL()              

             .Trace(); // Activate logging of Pop3.

    Cout()     << "Connecting to GMail POP3 server... ";

    if(!pop3.Login()) {

        Cout() << "Failed: " << pop3.GetLastError() << "\n";

        return;

    }

    int msgcount = pop3.GetMessageCount();

    if(msgcount < 0) {

        Cout() << "\nFailed: " << pop3.GetLastError() << "\n";

        return;

    }

    Cout() << "There are " << msgcount << " messages in your inbox.\n";

    for(;;) {

        Cout()    << "Message number to retrieve (1.." << msgcount << ") or anything else to QUIT: ";

        int i = StrInt(ReadStdIn());

        if(i >= 1 && i <= msgcount) {

            String message = pop3.GetMessage(i);

            if(IsNull(message))

                Cout() << "An error encountered: " << pop3.GetLastError() << "\n";

            else {

                InetMessage m;

                if(m.Read(message)) {

                    Cout() << "Subject: " << m["subject"] << "\n"

                           << "From: " << m["from"] << "\n"

                           << "Date: " << m["date"] << "\n";

                    for(int i = 0; i < m.GetCount(); i++)

                        Cout() << "= Part " << i << ", type " << m[i]["content-type"]

                               << ", decoded size " << m[i].Decode().GetLength() << '\n';

                    Cout() << "-------------------------------------\n";

                }

                else

                    Cout() << "Error parsing the message\n";

            }

        }

        else

            break;

    }

    Cout() << "Logging out!..\n";

}

 

 

 

 

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