Delivery times for email returned to normal at approximately 1540 UTC. We have continued to monitor and have observed no further issues with scaling during times of increased traffic since then.
Nov 22, 17:53 UTC
Capacity has been restored and we are monitoring the backlog to insure that processing latency returns to normal.
Nov 22, 15:16 UTC
inky is investigating an issue with the pre-scale up of internal infrastructure hosts in the US. This resulted in a delay in infrastructure scaling during the start of business. As demand increased there were delays as infrastructure began to scale resulting in mail being deferred while additional capacity came on line.
Nov 22, 14:46 UTC