You can find a comprehensive guide to using Plesk control panel as a reseller here:
http://download1.parallels.com/Plesk/PPP9/Doc/en-US/plesk-9.5-resellers-guide.pdf
If you have any questions or need any help with any aspoct of your Reseller hosting package, please do not hesitate to contact us by phone on 0800 731 8447 or by email : support@netscanuk.com
