Update as of 2:07p.m. UTC: The email issues has been resolved and service has been restored. Please contact Support at http://success.pardot.com if you encounter any further issues. We sincerely regret any inconvenience you have experienced as a result of this incident.
Posted Aug 23, 2017 - 10:44 EDT
The Salesforce Technology team is currently investigating issues impacting email sending as of 1:56p.m. UTC. Updates will be posted here as new information becomes available. We appreciate your patience while we continue to investigate the issue.