Redmine async_smtp 설정 config

  email_delivery:

    delivery_method: :async_smtp

    smtp_settings:

      address: "gw.jgshin.co.kr"

      port: 25

      authentication: :login

      domain: 'gw.jgshin.co.kr'

      user_name: '공유id'

      password: '패스워드'