Email not send .What is this error
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Net;
using System.Windows.Forms;
using System.Net.Mail;
using System.Threading.Tasks;
namespace send_email_new
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void existbutton_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void sendbutton_Click(object sender, EventArgs e)
{
try
{
MailMessage msg = new MailMessage();
msg.From = new MailAddress(fromtextBox.Text, "Usmanzia");
msg.To.Add(new MailAddress(totextBox.Text));
msg.Subject = subjecttextBox.Text;
msg.Body = bodytextBox.Text;
msg.IsBodyHtml = true;
if (labelpath.Text.Length > 0)
{
if (System.IO.File.Exists(labelpath.Text))
{
msg.Attachments.Add(new Attachment(labelpath.Text));
}
}
SmtpClient stm=new SmtpClient();
stm.Host="stm.gmail.com";
stm.Credentials=new NetworkCredential(fromtextBox.Text,passwordtextBox.Text);
stm.EnableSsl=true;
stm.Send(msg);
MessageBox.Show("Message send");
}
catch(Exception ex)
{
MessageBox.Show(ex.Message,"Message",MessageBoxButtons.OK,MessageBoxIcon.Error);
//sendbutton.BackColor = Color.Red;
//MessageBox.Show("Check password");
}
}
private void labelpath_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
labelpath.Text = openFileDialog1.FileName;
labelpath.Visible = true;
}
}
}
}
