AWS Developer Forums: emails not sending, Connection timed …

Well I finally heard back from AWS (after buying a support plan) and you were right – they were “throttling”. But AWS’s definition of throttling is “completely blocked” – it’s not throttling in the usual sense.I needed to apply for the “removal of sending limitiations” here: https://console.aws.amazon.com/support/contacts?#/rdns-limits

Source: AWS Developer Forums: emails not sending, Connection timed …