Need backend help

Hi, guys. Here is project. Who can help me? https://docs.google.com/document/d/1idIh9lo3czDi8vdxKgHP3DQuzqmRaUucaeqjnOU3-dI/edit?usp=sharing

@alina.konokhova What kind of issue are you experiencing?

i need to make post mail website page with receiving service