SendInBlue - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Mailgun - A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.
SendWithUs - Take control of your transactional email. sendwithus is the missing tool for marketers to manage and optimize transactional emails.
SendGrid - Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free
JangoSMTP - JangoSMTP is a transactional email delivery service that adds tracking and authentication to email.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.