Pagekit\User\Controller\RegistrationController::sendVerificationMail PHP Method

    protected function sendVerificationMail($user)
    {
        try {
            $mail = App::mailer()->create();
            $mail->setTo($user->email)->setSubject(__('Activate your %site% account.', ['%site%' => App::module('system/site')->config('title')]))->setBody(App::view('system/user:mails/verification.php', compact('user', 'mail')), 'text/html')->send();
        } catch (\Exception $e) {
            throw new Exception(__('Unable to send verification link.'));
        }
    }