Amazon SES is cheaper, but still pretty expensive at the volume where you'd be paying Mailchimp six figures. Sure, $100k to send emails is a lot, but that's the

Amazon SES is cheaper, but still pretty expensive at the volume where you'd be paying Mailchimp six figures. Sure, $100k to send emails is a lot, but that's the tier with 300 million emails per month! If you moved that to Amazon, it'd still cost you $30k (Amazon is $0.10 per thousand emails).