http://swonderstzr43aczpcwdoyc25vwxngyromja7pyb5sf26ap3v535sxqd.onion/resources/is-it-possible-to-extract-metadata-from-a-photo-attached-to-an-email
It is an interesting question which has an interesting answer as it possible to extract metadata from the photo. However, depending on what email client (app) was used, whether the photo was emailed via a chat app (for example: wechat, messenger etc) and the recipient’s email server as the amount of meta data obtained may vary.