bbatsov/rails-style-guide — pull request #81 by toao (2013-11-04 10:49:49+00:00)
Title: added Mailcatcher as example for local SMTP server

Mailcatcher is a nice gem to setup a local SMTP server for (internal) display of generated mails through a web interface. Using smtp.gmail.com or any other external service should be the last resort and almost never be considered as 'good style'.