Originariamente inviato da AlexMGD
if (!eregi("^[a-z0-9][_.a-z0-9-]+@([a-z0-9][0-9a-z-]+.)+([a-z]{2,4})", $email)){
echo "Non e' stato inserito un indirizzo e-mail corretto";
}else{
$mail = new PHPMailer(true);
$mail->IsSMTP(true);
$mail->IsHTML(true);
$mail->CharSet = 'UTF-8';
$mail->Host = "smtp.sito.com";
$mail->SMTPDebug = 0;
$mail->SMTPAuth = true;
$mail->Port = 25;
$mail->Username = "user@mail.com";
$mail->Password = "password";
$mail->Priority = 3;
$mail->AddBCC("mail@destinatario.com");
$mail->Subject = "Oggetto";
$mail->AltBody = "Abilita HTML";
$mail->Body = "Codice HTML";
if($mail->Send()) {
echo "Mail inviata con successo";
}else{
echo "Errore";
}