Thank you for reaching out in the Community! Were you also on the mailing list? If you were, did you check the junk/spam folder? If you are using Gmail, please check the promotions folder. This related article may help if your contacts have Gmail accounts: Get Your Email Into Gmail's Primary Tab.
We'd like to make sure all is well. If you would like help troubleshooting further, please send us an email with the title of the email campaign you had sent to: social_support(at)constantcontact(dot)com. Please reference this post in your email to us.