We are currently experiencing problems with our SMTP Mail server. Some users may experience problems authenticating and sending emails through the server. We are investigating the issue and will update when we have more information.
2018-08-21 03:06 UTC: The issue is still being troubleshooted. We appreciate your patience on the matter for those affected.
2018-08-21 03:50 UTC: We believe the issue has been resolved. If you believe the problem persists please feel free to open a ticket and let us know.