Suggest an alternative to

emailjs

html emails and attachments to any smtp server with nodejs

Why do you think that https://github.com/eslint/eslint is a good alternative to emailjs

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with emailjs. Optional.

A valid email to send you a verification link when necessary or log in.