There are a number of settings available on +config.action_mailer+:
* +config.action_mailer.template_root+ gives the root folder for Action Mailer templates.
* +config.action_mailer.logger+ accepts a logger conforming to the interface of Log4r or the default Ruby 1.8+ Logger class, which is then used to log information from Action Mailer. Set to nil to disable logging.
* +config.action_mailer.smtp_settings+ allows detailed configuration for the +:smtp+ delivery method. It accepts a hash of options, which can include any of these options:
