# app/jobs/rodauth_mailer_job.rb
class RodauthMailerJob
  include Sidekiq::Job
  def perform(name, *args)
    email = RodauthMailer.public_send(name, *args)
    email.deliver_now
  end
end

# app/misc/rodauth_main.rb
class RodauthMain < Rodauth::Rails::Auth
  configure do
    # ...
    # use `#send_*_email` method to be able to immediately enqueue email delivery
    send_reset_password_email do
      enqueue_email(:reset_password, account_id, reset_password_key_value)
    end
    # ...
  end
  private
  # define custom method for enqueuing email delivery using our job
  def enqueue_email(name, *args)
    db.after_commit do
      RodauthMailerJob.perform_async(name, *args)
    end
  end
end