create

# File actionmailbox/app/controllers/action_mailbox/ingresses/postmark/inbound_emails_controller.rb, line 51
    def create
      ActionMailbox::InboundEmail.create_and_extract_message_id! params.require("RawEmail")
    rescue ActionController::ParameterMissing => error
      logger.error <<~MESSAGE
        #{error.message}

        When configuring your Postmark inbound webhook, be sure to check the box
        labeled "Include raw email content in JSON payload".
      MESSAGE
      head ActionDispatch::Constants::UNPROCESSABLE_CONTENT
    end