gistfile1.ps1

$mail = New-Object System.Net.Mail.MailMessage

$mail.From = New-Object System.Net.Mail.MailAddress($from);
$mail.To.Add($to);

$mail.Subject = $subject;
$mail.Body = $body;

$smtp = New-Object System.Net.Mail.SmtpClient($smtpUrl);

$smtp.credentials = New-Object System.Net.NetworkCredential($user, $password);

$smtp.Send($mail);