There may be several reasons a mailing did not go out when you expected. A common issue is the schedule of the mailing is incorrect. The following link provides steps to find and update your mailing schedule:
Your account may have been suspended because a trial period expired. If you were on a paid account but payment failed your ad-funded grace period expired and mailings have been suspended. You can find steps to update your payment information or upgrade your account at the following link:
If you have checked your account status and ensured the mailing schedule is correct and your mailings are still not going out as they should, please contact Feedblitz support and we will be happy to help!