Nodemailer is a module for Node.js applications to allow easy as cake email sending.
MailSlurp is an email APl service that lets you create real email addresses in code.
Send emails, HTML, and attachments (files,streams, and strings) from node.js to any SMTP server.
Send emails with the greatest of ease! Postmark allows you to send your application emails
with high delivery rates, including bounce/spam processing and detailed statistics