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ivan  
#1 Posted : Wednesday, April 13, 2011 4:58:20 AM(UTC)
ivan

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C#/CSharp Example

Gmail POP3 server address is "pop.gmail.com". It requires SSL connection on 995 port, and you should use your Gmail email address as the user name for user authentication. For example: your email is "gmailid@gmail.com", and then the user name should be "gmailid@gmail.com".

Gmail IMAP4 server address is "imap.gmail.com". It requires SSL connection on 993 port, and you should use your Gmail email address as the user name for user authentication. For example: your email is "gmailid@gmail.com", and then the user name should be "gmailid@gmail.com".

To retrieve email from Gmail account, you need to enable POP3 or IMAP4 access in your gmail account settings.

Because Gmail POP3 server doesn't work like normal POP3 server, it hides old emails automatically even the email was not deleted, so we suggest that you use IMAP4 protocol.

Code:

// The following example codes demonstrate retrieving email from Gmail IMAP4 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

using System; 
using System.Collections.Generic; 
using System.Text; 
using System.IO; 

// Add EAGetMail namespace
using EAGetMail; 

namespace receiveemail 
{ 
    class Program 
    { 
        static void Main(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); 
            } 

            // Gmail IMAP4 server is "imap.gmail.com"
            MailServer oServer = new MailServer("imap.gmail.com", 
                        "gmailid@gmail.com", "yourpassword", ServerProtocol.Imap4 ); 
            MailClient oClient = new MailClient("TryIt"); 

            // Set SSL connection,
            oServer.SSLConnection = true; 

            // Set 993 IMAP4 port
            oServer.Port = 993; 

            try 
            { 
                oClient.Connect(oServer); 
                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 GMail IMAP4 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 = new 
                        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 in GMail account.
                    oClient.Delete(info); 
                } 

                // Quit and pure emails marked as deleted from Gmail IMAP4 server.
                oClient.Quit(); 
            } 
            catch (Exception ep) 
            { 
                Console.WriteLine(ep.Message); 
            } 

        } 
    } 
} 

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