Try
    Dim mail As New System.Net.Mail.MailMessage


Dim smtpmail As New System.Net.Mail.SmtpClient


mail.To.Add("emailadres")


mail.From = New System.Net.Mail.MailAddress("emailadres")


mail.Body = tekstemail


smtpmail.Host = "relay.skynet.be"


smtpmail.Send(mail)


Catch ex As Exception
    MessageBox.Show(ex.Message)
End Try