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Description: Mailgun Technologies. Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. Learn more today!

Description: Mailjet - Email Delivery Service for Marketing & Developer Teams. Streamline your emailing and boost your sales with Mailjet. We serve all your email and SMS needs with one simple and powerful service.

Description: Amazon Simple Email Service | Cloud Email Service | Amazon Web Services. Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service that enables developers to send mail from within any application.