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#1 Posted : Monday, May 2, 2011 4:48:47 AM(UTC)

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Visual C++ Example
The following example codes demonstrate how to retrieve email from POP3 server. This sample downloads emails from POP3 server and deletes the email after the email is retrieved.


// The following example codes demonstrate retrieving email from 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 ); 

        IMailServerPtr oServer = NULL; 
        oServer->Server = _T("pop3.emailarchitect.net"); 
        oServer->User = _T("test@emailarchitect.net"); 
        oServer->Password = _T("testpassword"); 
        oServer->Protocol = MailServerPop3; 

        // If your POP3 requires SSL connection
        // Please add the following codes
        // oServer->SSLConnection = VARIANT_TRUE;
        // oServer->Port = 995;

        IMailClientPtr oClient = NULL; 
        oClient->LicenseCode = _T("TryIt"); 

        oClient->Connect( oServer ); 

        _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"), 
                i ); 

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

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

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

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

    return 0; 

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