The latest email-templates support SMTP configuration as a default so that you don’t need to use both of nodemailer and email-templates to send emails. In a nutshell this package internally installs nodemailer as a sub-package.
https://www.npmjs.com/package/email-templates
transport(Object) Рa transport configuration object or a Nodemailer transport instance created via nodemailer.createTransport, defaults to an empty object {}, see Nodemailer transports documentation for more insight
