How about a free tier? Both MailChimp and MailJet have it, and the guy is going to pay for SES anyways. Also, I'd reach out to AWS guys and ask them to provid

How about a free tier? Both MailChimp and MailJet have it, and the guy is going to pay for SES anyways. Also, I'd reach out to AWS guys and ask them to provide $50 (or $20 - whatever they agree to) credit to every customer that signs up for your free tier since that'll lead the guys sitting on the fence to explore your product.