redmine配置邮箱

default:
  # Outgoing emails configuration (see examples above)
  email_delivery:
       delivery_method: :smtp
       smtp_settings:
      address: smtp.126.com
      port: 25
      domain: smtp.126.com
      authentication: :login
      user_name: "[email protected]"
      password: "your-email-password"
      enable_starttls_auto: true