ActionMailer Balancer

This gem allows you to send your ActionMailer mail through one of several delivery methods, selected by weight.

Applications:

• gradually migrate to a new mail provider (first 1% of mail, then 5%, and so on)
• ...or to a new configuration (SMTP to Email API)
• spread load between multiple providers

Works with any valid ActionMailer delivery methods, either built-in or added from a library like mailtrap.

Add this line to your application's Gemfile:

gem 'actionmailer-balancer'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install actionmailer-balancer

Add the configuration to Rails env initializer

Your::Application.configure do
  config.action_mailer.delivery_method = :balancer
  config.action_mailer.balancer_settings = {
    delivery_methods: [
      {
        method: :smtp,
        settings: {
          user_name: username,
          password: password,
          address: host,
          domain: domain,
          port: port,
          authentication: auth_method
        },
        weight: 90
      },
      {
        method: :sendmail,
        settings: {
          location: '/path/to/your/sendmail'
        },
        weight: 10
      }
    ]
  }
end

Now, just use ActionMailer as usual, and mail will be auto-balanced.

After checking out the repo, run bin/setup to install dependencies. Then, run bundle exec rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install.

Bug reports and pull requests are welcome on GitHub at https://github.com/railsware/actionmailer-balancer. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

The gem is available as open source under the terms of the MIT License.

Everyone interacting in the ActionMailer::Balancer project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.