If you need to send external email through your ISP’s mail server then you should configure MDaemon as follows:
Globally via Setup -> Server Settings -> Delivery:
![](https://blog.zensoftware.co.uk/wp-content/uploads/2021/03/image-45.png)
Alternatively, you can specify different outbound mail servers to route email through at a per domain level via Setup -> Domain Manager -> company.test -> Delivery:
![](https://blog.zensoftware.co.uk/wp-content/uploads/2021/03/image-46.png)