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very long list (119 261) of burner email domains, packaged for Ruby gems.\n\n## Sourse\n\nCopied with much respect from\n\n- Wes Bos’s [repo](https://github.com/wesbos/burner-email-providers)\n- https://disposable.github.io/disposable-email-domains/domains.txt\n- https://github.com/disposable/disposable/blob/master/blacklist.txt\n\n## Installation\n\nAdd this line to your application's `Gemfile`:\n\n```ruby\ngem \"burner_email_db\"\n```\n\n## Usage\n\n### Just list everything\n\n```ruby\nBurnerEmailDB.domains #=\u003e [\"0-00.usa.cc\", \"0-180.com\", ...]\n```\n\n### ActiveModel validation\n\n```ruby\nclass User\n  validates :email, exclusion: { in: BurnerEmailDB.domains }\nend\n```\n\n### ActiveModel validator\n\nYou could write a validator:\n\n```ruby\nclass BurnerEmailValidator \u003c ActiveModel::EachValidator\n\n  def validate_each(record, attribute_name, address)\n    return if address.blank? # validate presence separately\n    record.errors.add attribute_name, :disposable_email if disposable?(address)\n  end\n\n  private def disposable?(address_with_unknown_case)\n    address = address_with_unknown_case.downcase\n    BurnerEmailDB.domains.any? { |burner_domain| address.include? burner_domain }\n  end\n\nend\n```\n\nAdd translations:\n\n```yaml\n---\nru:\n  errors:\n    messages:\n      disposable_email: в сервисе одноразовых email-адресов\n```\n\nand then use it like so:\n\n```ruby\nclass User\n  validates :email, presence: true, burner_email: true\nend\n```\n\n### Dry validation\n\nWIP, I promise, Piotr!\n\n## Alternatives\n\n- https://github.com/disposable/disposable\n- https://open.kickbox.io\n\n## How to add new\n\n1. 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