You can unsubscribe your email address from receiving Pitchero and third party emails from within your Pitchero account.
First, login to your Pitchero account
Navigate to the Email Preferences option in the header
Scroll down to the bottom of the page and click 'I don't want to receive any email updates' in blue.
Once this is completed you will come across the following message
You can subscribe to emails again by clicking ‘Start receiving emails’
If you have any queries about the emails you receive, please email firstname.lastname@example.org