This article applies to 123-reg VPS hosting running Plesk 10
This article will explain how to set up E-mail Forwarding in Plesk.
With each e-mail account configured you can set up an e-mail forwarding service which will send copies of all incoming messages to the specified e-mail addresses.
Under the Mail tab select the e-mail address and go to the Forwarding tab. Here select the Switch on Mail Forwarding checkbox. Next you can specify one or several e-mail addresses that the e-mail messages should be forwarded. When entering e-mail addresses you can separate them with white space commas, semicolons; or type each of them on a new line. When finished click OK.
Now you know how you can set up e-mail forwarding in Plesk panel.