I work at SendGrid. We don't use SES. All our receiving, processing, and delivery software (and more) is developed in-house. We also run our own data centers. H

I work at SendGrid. We don't use SES. All our receiving, processing, and delivery software (and more) is developed in-house. We also run our own data centers. However, we are looking at how we could leverage Amazon for more elastic scaling and faster API response times for our customers. But nothing with SES.