Yes of course, you can update your email preferences at any time.
To subscribe or unsubscribe to to your My Account page and choose Newsletter Subscriptions, to unsubscribe untick the box that says General Subscription. You can also unsubscribe by choosing the "unsubscribe link" that is available at the bottom of all our newsletters and marketing information.
Once you have done this you will no longer receive marketing emails from us, you can of course re-subscribe at any time.
If you need any help with this you can always contact us 24/7 by email, chat or phone.