Something
public text v1 · immutable
$valorx="hola 14";
$contingut = '
<html>
<head>
<title>E-Mail HTML</title>
</head>
<body>
<span style="font-size:10px; color:red;"> hola </span>
</body>
';
mail($destinatari, $subject, $contingut, $cabeceras);