C2DvxrCQ

1using System;
2using System.Collections.Generic;
3using System.ComponentModel;
4using System.Data;
5using System.Drawing;
6using System.Linq;
7using System.Text;
8using System.Windows.Forms;
9using System.Net.Mail;
10using System.Net;
11
12namespace E_Mail_Sender
13{
14    public partial class Form1 : Form
15    {
16        public Form1()
17        {
18            InitializeComponent();
19        }
20
21        private void btnGonder_Click(object sender, EventArgs e)
22        {
23            try
24            {
25                if (!txtemail.Text.Contains("@gmail.com"))
26                {
27                    MessageBox.Show("email adresiniz, @gmail.com seklinde olmalidir.");
28                    return;
29                }
30                btnGonder.Enabled = false;
31                MailMessage message = new MailMessage();
32                message.From = new MailAddress(txtemail.Text);
33                message.Subject = txtkonu.Text;
34                message.Body = txtmesaj.Text;
35                foreach (string s in txtAlicilar.Text.Split(';'))
36                    message.To.Add(s);
37                SmtpClient client = new SmtpClient();
38                client.Credentials = new NetworkCredential(txtemail.Text, txtsifre.Text);
39                client.Host = "smtp.gmail.com";
40                client.Port = 587;
41                client.EnableSsl = true;
42                client.Send(message);
43            }
44            catch
45            {
46                MessageBox.Show("Kullanici adi veya sifre hatali!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
47            }
48            finally
49            {
50                btnGonder.Enabled = true;
51            }
52
53        }
54
55    }
56}