- mail: documentation ( source)
<?php
// To send HTML mail, the Content-type header must be set
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
mail('', 'Welcome to Neuron', '<h1>Your password is {$pwd}</h1>', $headers);