Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service that enables developers to send mail from within any application. You can configure Amazon SES quickly to support several email use cases, including transactional, marketing, or mass email communications. Amazon SES's flexible IP deployment and email authentication options help drive higher deliverability and protect sender reputation, while sending analytics measure the impact of each email. With Amazon SES, you can send email securely, globally, and at scale.
GreenArrow is for senders with lofty goals. When you choose GreenArrow, you get better control over your technology. You gain clearer visibility into the results and they always offer their personal support when you need it. They give you the tools and knowledge to better connect to subscribers and grow a more effective business.
Postmark delivers your transactional email to your customers, on time every time. Your emails are important, get them to the inbox. Trusted by thousands of developers, Postmark is a fast and reliable transactional email service.