I think most generic EC2 instances you'd spin up are hopelessly blacklisted, but I would hope that SES would be less affected by that since AWS would keep its a

I think most generic EC2 instances you'd spin up are hopelessly blacklisted, but I would hope that SES would be less affected by that since AWS would keep its address ranges separated from the EC2 wild west. But after Googling SES deliverability it seems like SES may have suffered a slight amount from some lax spam reporting standards - the results seem a bit stale so not sure how valid it is any more. Hopefully using DKIM and SPF will help lessen the blow.