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ivan  
#1 Posted : Monday, April 11, 2011 4:41:33 AM(UTC)
ivan

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C++/CLI Example
SSL connection encrypts data between the email component and POP3 server or IMAP4 server to protect user, password and email content in TCP/IP level. Now this technology is commonly used and many email servers are deployed with SSL such as Gmail, Yahoo and Hotmail. There are two ways to deploy SSL on email server: 1. Using STARTTLS or STLS command to switch SSL channel on normal port (POP3: 110 or IMAP4: 143); 2. Deploying SSL on another port (POP3: 995 or IMAP4: 993 you may query it from your server administrator) directly.

// The following example codes demonstrate retrieving email over SSL connection 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

Code:

#include "stdafx.h" 

using namespace System; 
using namespace System::IO; 

// Add EAGetMail namespace
using namespace EAGetMail; 

int main(array<System::String ^> ^args) 
{ 
    // Create a folder named "inbox" under current directory
    // to save the email retrieved.
    String ^curpath = Directory::GetCurrentDirectory(); 
    String ^mailbox = String::Format("{0}\\inbox", curpath); 

    // If the folder is not existed, create it.
    if (!Directory::Exists(mailbox)) 
    { 
        Directory::CreateDirectory(mailbox); 
    } 

    MailServer ^oServer = gcnew MailServer("pop3.emailarchitect.net", 
        "test@emailarchitect.net", "testpassword", ServerProtocol::Pop3 ); 
    MailClient ^oClient = gcnew MailClient("TryIt"); 

    // Enable SSL Connection
    oServer->SSLConnection = true; 

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

    try 
    { 
        oClient->Connect(oServer); 
        array<MailInfo^> ^infos = oClient->GetMailInfos(); 
        for (int i = 0; i < infos->Length; i++) 
        { 
            MailInfo ^info = infos[i]; 
            Console::WriteLine("Index: {0}; Size: {1}; UIDL: {2}", 
                info->Index, info->Size, info->UIDL); 

            // Receive email from POP3 server
            Mail ^oMail = oClient->GetMail(info); 

            Console::WriteLine("From: {0}", oMail->From->ToString()); 
            Console::WriteLine("Subject: {0}\r\n", oMail->Subject); 

            // Generate an email file name based on date time.
            System::DateTime d = System::DateTime::Now; 
            System::Globalization::CultureInfo ^cur = gcnew 
                System::Globalization::CultureInfo("en-US"); 
            String ^sdate = d.ToString("yyyyMMddHHmmss", cur); 
            String ^fileName = String::Format("{0}\\{1}{2}{3}.eml", 
                mailbox, sdate, d.Millisecond.ToString("d3"), i); 

            // Save email to local disk
            oMail->SaveAs(fileName, true); 

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

        // Quit and pure emails marked as deleted from POP3 server.
        oClient->Quit(); 
    } 
    catch (Exception ^ep) 
    { 
        Console::WriteLine(ep->Message); 
    } 

    return 0; 
} 

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