This article applies to 123-reg VPS hosting running Plesk 10.
This article explains how you can set up a mailing list on your Virtual Private Server running Plesk 10.
Login to your Parallels Plesk Panel.
Click on the Domains link on the left panel.
Click on the relevant Control panel link.
Click on the Mailing Lists tab.
Click on the Create Mailing List button.
Fill in your mailing list details and click on the OK button.