code for sending email

Dim mes As String = String.Empty
Dim sTo As String = "[To Address]"
Dim sFrom As String = "[From Address]"
Dim sSubject As String = "[Subject]"
Dim sMailServer As String = "127.0.0.1"
Dim MyMail As System.Web.Mail.MailMessage = New System.Web.Mail.MailMessage
MyMail.From = sFrom
MyMail.To = sTo
MyMail.Subject = sSubject
MyMail.Body = "[Your Message]"
MyMail.BodyEncoding = Encoding.UTF8
MyMail.BodyFormat = MailFormat.Html
SmtpMail.SmtpServer = sMailServer
Try
    SmtpMail.Send(MyMail)
    PRes.InnerHtml = "Your Mail is Successfully Sended"
Catch ex As Exception
    PRes.InnerHtml = "Your Mail is not Sended. Because Of this Error : " & ex.Message
End Try

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Mail;
namespace MyMail
{
    class SendMail
    {
        SmtpClient objSmtpClient = new SmtpClient();
        MailMessage objMailMessage = new MailMessage();
        MailAddress objMailAddress;
        public SendMail()
        {
           // objSmtpClient.Host = "";
           // objSmtpClient.Port = ;
            objSmtpClient.Host = "smtp.gmail.com";
            objSmtpClient.Port = 465;
        }
       public  bool Sendmail(string mail_From,string mail_To,string mail_Password,string mail_Subject,string mail_Message)
        {
            objMailAddress = new MailAddress(mail_From);
            System.Net.NetworkCredential objNetworkCredential = new System.Net.NetworkCredential(mail_From, mail_Password);
            objSmtpClient.UseDefaultCredentials = false;
            objSmtpClient.Credentials = objNetworkCredential;
            objMailMessage.From = objMailAddress;
            objMailMessage.Subject = mail_Subject;
            objMailMessage.Body = mail_Message;
            objMailMessage.IsBodyHtml = false;
            objMailMessage.To.Add(mail_To);
            try
            {
                objSmtpClient.Send(objMailMessage);
                    return true;
            }
            catch (Exception e)
            {
                return false; 
            }
        }
    }
}