Sergio Cambra

If you try in development and check email on development.log, are underscores replaced with spaces?

Then it must be your mail client, I tried it and I couldn't reproduce it

DeviseInvitable controller doesn't change anything of mailer DeviseInvitable has a mailer module which is included on devise mailer, but it doesn't change any parameter: https://github.com/scambra/devise_invitable/blob/master/lib/devise_invitable/mailer.rb Also, if I save your...

Have changed the devise::mailer class?

Maybe torquebox is not initializing every gem, maybe you could add some require, I'm sorry not being more specific, I don't know torquebox.

I don't understand why you need that, @luisico I think it should work using Devise.mailer instead of Devise::Mailer. Have you changed mailer in devise initializer?

Yes, that's right. Devise.mailer is usually used to override devise mailer with a custom one which inherits from Devise::Mailer, include DeviseInvitable::Mailer in Devise::Mailer doesn't work for those custom mailers. Maybe...

DeviseInvitable generator inherits from Rails::Generators::NamedBase: https://github.com/scambra/devise_invitable/blob/master/lib/generators/devise_invitable/devise_invitable_generator.rb#L3 And migration uses table_name, which is set by Rails::Generators::NamedBase: https://github.com/scambra/devise_invitable/blob/master/lib/generators/active_record/templates/migration.rb#L3 Probably Rails::Generators::NamedBase doesn't work for STI models, because you usually doesn't use rails g...

No plan, I think nobody asks for that before

Bug fixes need a test case failing, can you write one?