public static function makeWelcomePage($mailAddress, $filename)
{
$mailProp = Database::getProperties("maildata");
$username = $mailProp[$mailAddress];
$writer = new HtmlWriter($filename);
$writer->title("Welcome to " . $username . "'s page!");
$writer->paragraph("Welcome to " . $username . "'s page.");
$writer->paragraph("I want to your email.");
$writer->mailto($mailAddress, $username);
$writer->close();
$writer->write();
echo $filename . " is created for " . $mailAddress . " (" . $username . ")\n";
}
