SMTP-Service (Amazon Simple Email Service, SES) is a cost-effective, flexible, and scalable email service that enables customers to send mail from within any application. You can use 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. With Amazon SES, you can send email securely, globally, and at scale. The service is our standard to outbound email via SMTP from our cloud environments.