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ivan  
#1 Posted : Monday, May 2, 2011 5:02:33 AM(UTC)
ivan

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Visual C++ Example

Yahoo POP3 server address is "pop.mail.yahoo.com" or "plus.pop.mail.yahoo.com". It requires SSL connection on 995 port, and you should use your Yahoo email address as the user name for user authentication. For example: your email is "myid@yahoo.com", and then the user name should be "myid@yahoo.com".

The following example codes demonstrate how to retrieve email from Yahoo POP3 server.
Code:

// The following example codes demonstrate retrieving email from Yahoo POP3 server
// To get full sample projects, please download and install EAGetMail on your machine.
// To run it correctly, please change email server, user, password, folder, file name value to yours

#include "stdafx.h" 

#include "eagetmailobj.tlh" 
using namespace EAGetMailObjLib; 

int _tmain(int argc, _TCHAR* argv[]) 
{ 
    const int MailServerPop3 = 0; 
    const int MailServerImap4 = 1; 

    // Initialize COM environment
    ::CoInitialize( NULL ); 

    // Create a folder named "inbox" under current exe file directory
    // to save the emails retrieved.
    TCHAR szPath[MAX_PATH+1]; 
    memset( szPath, 0, sizeof(szPath)); 
    ::GetModuleFileName( NULL, szPath, MAX_PATH ); 

    // Change file name to current full path
    LPCTSTR psz = _tcsrchr( szPath, _T(' ')); 
    if( psz != NULL ) 
    { 
        szPath[psz-szPath] = _T(' 0'); 
    } 
    TCHAR szMailBox[MAX_PATH+1]; 
    memset( szMailBox, 0, sizeof(szMailBox)); 
    wsprintf( szMailBox, _T("%s\\inbox"), szPath ); 

    // Create a folder to store emails
    ::CreateDirectory( szMailBox, NULL ); 

    try 
    { 
        IMailServerPtr oServer = NULL; 
        oServer.CreateInstance("EAGetMailObj.MailServer"); 

        // Yahoo POP3 server address
        oServer->Server = _T("pop.mail.yahoo.com"); 
        oServer->User = _T("yahooid@yahoo.com"); 
        oServer->Password = _T("testpassword"); 
        oServer->Protocol = MailServerPop3; 

        // Enable SSL connection
        oServer->SSLConnection = VARIANT_TRUE; 

        // Set 995 POP3 SSL port
        oServer->Port = 995; 

        IMailClientPtr oClient = NULL; 
        oClient.CreateInstance("EAGetMailObj.MailClient"); 
        oClient->LicenseCode = _T("TryIt"); 

        oClient->Connect( oServer ); 
        _tprintf(_T("Connected\r\n")); 

        _variant_t infos = oClient->GetMailInfos(); 
        SAFEARRAY *psa = infos.parray; 
        long LBound = 0, UBound = 0; 
        SafeArrayGetLBound( psa, 1, &LBound ); 
        SafeArrayGetUBound( psa, 1, &UBound ); 

        INT count = UBound-LBound+1; 
        _tprintf(_T("Total %d emails\r\n"), count ); 

        for( long i = LBound; i <= UBound; i++ ) 
        { 
            _variant_t vtInfo; 
            SafeArrayGetElement( psa, &i, &vtInfo ); 

            IMailInfoPtr pInfo; 
            vtInfo.pdispVal->QueryInterface(__uuidof(IMailInfo), (void**)&pInfo); 

            TCHAR szFile[MAX_PATH+1]; 
            memset( szFile, 0, sizeof(szFile)); 

            // Generate a random file name by current local datetime,
            // You can use your method to generate the filename if you do not like it
            SYSTEMTIME curtm; 
            ::GetLocalTime( &curtm ); 
            ::wsprintf( szFile, _T("%s\\%04d%02d%02d%02d%02d%02d%03d%d.eml"), 
                szMailBox, 
                curtm.wYear, 
                curtm.wMonth, 
                curtm.wDay, 
                curtm.wHour, 
                curtm.wMinute, 
                curtm.wSecond, 
                curtm.wMilliseconds, 
                i ); 

            // Receive email from Yahoo POP3 server
            IMailPtr oMail = oClient->GetMail(pInfo); 

            // Save email to local disk
            oMail->SaveAs( szFile, VARIANT_TRUE ); 

            // Mark email as deleted from Yahoo POP3 server.
            oClient->Delete( pInfo ); 
        } 

        // Delete method just mark the email as deleted,
        // Quit method pure the emails from server exactly.
        infos.Clear(); 
        oClient->Quit(); 
    } 
    catch( _com_error &ep ) 
    { 
        _tprintf( _T("Error: %s"), (const TCHAR*)ep.Description()); 
    } 

    return 0; 
} 

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