Отправил им письмо вчера. Сегодня ответ пришёл
"Thank you for your submission to Shutterstock. Your images were reviewed, but not approved. If your images were rejected after your first review, you
must wait 1 month for a second review. At this time, an e-mail will be sent to you confirming that your uploading has been enabled and that you have been
set back to review mode. In the mean time, feel free to participate in the forums, or refer photographers or buyers in order to earn a commission."
Как я понял, это стандартный ответ