\n";
        // loop the result, if any.
        if (is_array($data)) {
            foreach ($data as $entry) {
                $address = $entry->email;
                $user    = User::where('email', $address)->first();
                if (!is_null($user)) {
                    $users[] = $user;
                    echo "Blocked " . $user->email . " because a message bounced.\n";

                    // create preference:
                    $preference       = Preference::firstOrCreate(['user_id' => $user->id, 'name' => 'bounce']);
                    $preference->data = $entry->reason;
                    $preference->save();
                }
            }
        }
    }

}