{
  "imap": {
    "host": "imap.163.com",
    "port": 993,
    "username": "填写邮箱用户名",
    "authorization_code": "填写邮箱授权码",
    "send_id": "auto",
    "mailbox": "INBOX"
  },
  "timezone": "Asia/Shanghai",
  "state_file": "state/processed.json",
  "smtp_optional": {
    "host": "",
    "port": 465,
    "username": "",
    "authorization_code": ""
  }
}