python-smtp-server

Create .env file

SERVER_PORT=your_port_number

Create credentials.json file

{
  "email": {
    "address": "your_address@gmail.com",
    "password": "your_address_password",
    "host": "smtp.gmail.com",
    "port": 465
  },
  "server": {
    "api_key": "your_api_key"
  }
}