Subdomain but not email

[schani@]

Hello, i must hosting on my Plesk Server a subdomain. The regular domain is not hostet on my maschine. Also the email service is not hostet on my maschine.

I setup the domain and subdomain for phisical hosting in my Plesk.

Now its possible to reroute only the subdomain to my Server IP. The Webpages on the subdomain workin.

But now i can not send emails from another domain on my Plesk server to this domain.
In the Plesk named service is also set the smpt to the own maschine.

Is it possible to configure the DNS Service to send this emails to the original MX server?

Thanks for your help

Christian