We are not ymail.com and do not send emails on behalf of ymail.com. If you wish to unsubscribe or stop receiving emails from ymail.com, please follow one of the steps below:
look for the 'unsubscribe' link in the email that you received. Click on the link and follow the steps to unsubscribe.
sign in with your ymail.com account username into ymail.com and go to 'My Account' page. Look for the 'Email Preference' section or similar. Then follow the instruction to change your email preference or unsubscribe.