If you’ve just signed up for the first time, you must verify your account to log in:
Before logging in for the first time, you must verify your account. To verify, please check your email inbox. An email has been sent to you with a link to verify your account. Once you press this link, you can return to the website to log in with your account credentials.
If you have changed subscriptions for an already existing account that has been verified:
Your changes have been accepted. There is no need to verify your account again. You should receive confirmation of your subscription change through email.