Question Postfix Receipt Message with plesk_virtual service

[MorrisC]

Is there anyway to change "delivery via plesk _virtual: delivered via plesk_virtual service" on the delivery receipt to something else on postfix via plesk?

Thanks

example
========================================================
This is the mail system at host XXXXXXXXXX

Your message was successfully delivered to the destination(s) listed below. If the message was delivered to mailbox you will receive no further notifications. Otherwise you may still receive notifications of mail delivery errors from other systems.

The mail system

<XXXXXXXX>: delivery via plesk_virtual: delivered via

plesk_virtual service