If you received an email that looks like the one below, it is because your account lapsed due to any of a variety of reasons.
Simply sign up again to use the service! To do this --
1) Log into https://www.hallmarkecards.com/
2) Go here to sign up again: https://www.hallmarkecards.com/registration-payment
3) Enter your updated information and select your billing plan
4) Continue to enjoy your eCards subscription