You may be impacted by a lag on statistics updating, your emails and campaigns are being sent, but not updated on your account. Your campaigns could be displayed as “queued”, please do not re-send your campaigns as it has been sent. No data is lost and your emails are have been sent. Our engineers are already working to fix this issue and to all statistics will be up to date shortly.
If you have urgent questions about this, our customer support team is here to help. You can contact us at https://www.mailjet.com/support/ticket/