Possible delays and SMTP API bounces

After 43 minutes

All sending should now be back to normal. Sorry for the errors and delays this morning!

After 32 minutes

We've resolved the issue SMTP API bounces, so you shouldn't be receiving those errors any more. Sending/receiving delays should also return to normal soon.

After 21 minutes

We're also seeing some delays in outbound sending at the moment. The team is working on fixing these issues as soon as possible.


You may currently see some SMTP API bounces for valid sender signatures. We are investigating the issue.

Began at: