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1and1Mail

A transactional email platform from the email service provider MailChimp. Mandrill can be used to send transactional emails from web applications and third-party service. An API is provided by Mandrill that makes it east to integrate your application to the Mandrill platform.

A set of powerful APIs that enables your application to send, receive and track transactional emails effortlessly. Mailgun provides a global infrastructure and industry expertise that helps you get your message across to the right person at the right time. The service is trusted by over 150,000 businesses including giants like Microsoft, MIT, NHL and Lyft.

Sendinblue is a cloud-based email and relationship marketing solution. With Sendinblue, you can manage your email marketing, transactional email, marketing automation, customer-relationship management, landing pages, Facebook Ads, ads retargeting, SMS marketing, and much more. The platform includes tools like a drag & drop template builder for your email campaign, along with necessary metrics to make informed decisions on how to connect with your audience.

Publicate is an HTML email template builder that can be used to create stunning news letters. While Publicate it self is not a email marketing platform, it allows for integration with most of the top vendors including Mailchimp, Hubspot, Mailjet, AWeber, Vertical Response, Constant Contact, Infusion Soft, Campaign Monitor, Active Campaign, Dot Mailer and other email clients like Outlook, Gmail, Mac Mail and Yahoo Mail.

Vision6 is a email marketing platform used by businesses to grow their customer-base and connect potential buyers. The platform provides tools that allow marketers to build easily build email templates, segment their audience and follow up with real-time data for open-rate, link clicks, user location and more.

SMTP2GO is an email delivery service and technology that gets your emails sent, while robust reporting gives you a clear picture of what happens behind the scenes. SMTP2GO takes cares of blacklists, feedback loops and IP reputation so you don't have to. With real-time insightful reporting you can track every email, from sent to opened, and get your emails into inboxes.