Advance Email Sending(With Attachment) Code(C#.NET with ASP.NET) using gmail

How to send email from using c#.net/asp.net code


//  ADVANCE EMAIL SENDING WITH ATTACHMENT OPTION
//   FOR C#.NET ,ASP.NET
// Below Function can be used for sending a email with attachment option using c# code
//  using gmail crdential

public bool mailattachement2(string to, string replyto, string body, string subject, FileUpload f1, FileUpload f2)
    {
        MailMessage mail = new MailMessage();
        mail.To.Add(to);
        mail.From = new MailAddress("xyz@gmail.com","Client Enquiry");
        mail.Subject = subject;
        mail.Body = body;
        MailAddress rt = new MailAddress(replyto);
        mail.ReplyTo = rt;
        //mail.Sender = rt;
        mail.IsBodyHtml = true;
        if (f1.HasFile)
        {
            mail.Attachments.Add(new Attachment(f1.PostedFile.InputStream, f1.FileName)); //add the attachment
        }
        if (f2.HasFile)
        {
            mail.Attachments.Add(new Attachment(f2.PostedFile.InputStream, f2.FileName)); //add the attachment
        }

        SmtpClient smtp = new SmtpClient();
        smtp.Host = "smtp.gmail.com";
        smtp.Credentials = new System.Net.NetworkCredential("xyz@gmail.com", "password");
// Set the one email id and its password for authentication )
// email goes via using above email id...

        smtp.Port = 587;
        smtp.EnableSsl = true;
        try
        {
            smtp.Send(mail);
            return (true);
        }
        catch (Exception ex)
        {
            return (false);
        }
    }