Have you ever needed to set different SMTP settings for Action Mailer in your different environments? Perhaps yes perhaps no, but here's an easy to implement solution. Do you agree with this solution? 1. add mailer_settings.rb to the /initializers directory in your Rails app 2. edit the email_settings.yml with your specific SMTP settings and sav…

email_settings.yml

#Action Mailer SMTP settings
#Visit http://guides.rubyonrails.org/configuring.html#configuring-action-mailer
#For all possible configurations

development:
 :address: 
 :port: 
 :authentication: 
 :user_name:
 :password:
 :enable_starttls_auto:
production:
 :address: 
 :port: 
 :authentication: 
 :user_name: 
 :password:
 :enable_starttls_auto: 

mailer_settings.rb

if Rails.env != 'test'
  email_settings = YAML::load(File.open("#{Rails.root.to_s}/config/email_settings.yml"))
  ActionMailer::Base.smtp_settings = email_settings[Rails.env] unless email_settings[Rails.env].nil?
end