How do I configure the hostname for Rails ActionMailer?

Question

I\'m working on a fairly traditional forgot password email - I want to email the user a password change token embedded in a link that they can click on in order to change th

Answer 1

default_url_options is available from config.action_mailer and should be set in your environment's configuration file.

For example, in config/environments/production.rb:

config.action_mailer.default_url_options = {
  :host => 'www.yourdomain.com'
}

For local testing, modify config/environments/development.rb:

config.action_mailer.default_url_options = {
  :host => '127.0.0.1',
  :port => 3000
}

Then, assuming you have a named route called forgot_password_login, you can generate the login link URL in your mailer using something like this:

forgot_password_login_url(:token => 'a7s8q15sk2...')