Gmail Mail Merge - Send personalized emails with attachments
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.
Dynamic Campaigns by Sigstr - Share the most relevant content in every email
Aritic Mail - Ariticmail is a transactional email delivery API for applications and enterprises.
Dynamically Personalized Emails by QGraph - Hyper-personalized emails for E-commerce
Brevo - 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.