For @free.fr email address
Don't use any tls plugin !!!
add in config/environnements/development.rb
ActionMailer::Base.perform_deliveries = true ActionMailer::Base.raise_delivery_errors = false ActionMailer::Base.default_charset = "utf-8"
ActionMailer::Base.delivery_method = :smtp ActionMailer::Base.smtp_settings = { :port => 25, :domain => 'free.fr', :address => 'smtp.free.fr', :pop3_auth => { :server => 'pop.free.fr', :user_name => 'dhh', :password => 'secret', :expires => 1.hour # expiration time for the credentials } }