my first program quicksend

Imports System.Net.Mail

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim mail As New MailMessage
        mail.Subject = TextBox4.Text
        mail.To.Add(TextBox1.Text)
        mail.From = New MailAddress(TextBox2.Text)
        mail.Body = TextBox3.Text

        Dim SMTP As New SmtpClient("smtp.live.com")
        SMTP.EnableSsl = True
        SMTP.Credentials = New System.Net.NetworkCredential(TextBox2.Text, TextBox5.Text)
        SMTP.Port = "587"
        SMTP.Send(mail)
    End Sub

    Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        TextBox1.Text = ""
        TextBox2.Text = ""
        TextBox3.Text = ""
        TextBox5.Text = ""
        
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Me.Close()
    End Sub
End Class