hgetall("imail:msg:$id");
if (!$meta || $meta['recipient'] !== $user) {
die("Message not found or not yours.");
}
$body = file_get_contents($meta['file']);
$plain = decryptMessage($body, $meta['encryption'], $password);
// Mark as read
$redis->hset("imail:msg:$id", "status", "read");
echo "From: {$meta['sender']}
";
echo "Subject: {$meta['subject']}
";
echo "" . htmlspecialchars($plain) . "
";