Yes email them and send your tangible photos as well as a letter if you must. Let them see that you are human and your mental health has been taking a hit because of this process. I wish you all the best and keep strong. I know it is not easy. I’ve emailed email@example.com and firstname.lastname@example.org. However, final email came from email@example.com. I have also mailed them my documents via Canada post to my visa office.