$ sudo npm install smtp-server
$ sudo npm install -g smtp-server

If want to update the smtp-server package execute the command as below,

$ sudo npm update smtp-server

Update package globally,

$ npm install -g smtp-server

Git clone:

$ sudo  git clone https://github.com/rektide/smtp-server.git

$ sudo  npm install -g ./smtp-server

smtp-server@3.3.0 /usr/lib/node_modules/smtp-server

How to remove smtp-server package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall smtp-server

Basic Information of smtp-server NPM Package: