//**************************************
    //     
    // Name: Send mail with SmtpClient using
    //     Gmail SMTP Server
    // Description:Connects to smtp.gmail.co
    //     m, authenticate a valid gmail user accou
    //     nt using SSL and sends an email.
    Regular SSL port 465 won´t work. You´ll have to use an alternate port, 587.
    // By: Bernardo Bicalho
    //
    // Inputs:valid gmail user account
    valid gmail user password
    //
    //This code is copyrighted and has    // limited warranties.Please see http://
    //     www.Planet-Source-Code.com/vb/scripts/Sh
    //     owCode.asp?txtCodeId=4733&lngWId=10    //for details.    //**************************************
    //     
    
    MailMessage MailObj = new MailMessage();
    				MailObj.To.Add("to@to.com");
    				//MailObj.From = "GmailAccount@gmail.com";
    				MailObj.From = new MailAddress("GmailAccount@gmail.com","From");
    				//MailObj.Cc = "cc@cc.com";
    			
    MailObj.IsBodyHtml = true;
    	
    				MailObj.Priority = MailPriority.Normal ;
    			string sAttach = @"c:\yourpic.jpg";
    MailObj.Attachments.Add(new Attachment(sAttach));
    				MailObj.Subject = "Subject";
    				MailObj.Body = "<table><tr><td>Test</td></tr></table>";
    SmtpClient smtpcli = new SmtpClient("smtp.gmail.com", 587); //use this PORT!
    smtpcli.EnableSsl = true;
    smtpcli.DeliveryMethod = SmtpDeliveryMethod.Network;
    smtpcli.Credentials = new NetworkCredential("GmailAccount@gmail.com", "GmailAccountPassword");
    try
    {
    smtpcli.Send(MailObj);
    }
    catch (Exception ex)
    {
    throw new Exception(ex);}