Patch postmark gem to resend emails with exceptions to a error mailing list

core_extensions.rb

module PostmarkNoExceptions
  def self.included(base)
    base.extend ClassMethods
    base.class_eval do
      class << self
        alias_method_chain :send_through_postmark, :no_exceptions
      end
     end
   end
   
   module ClassMethods
     def send_through_postmark_with_no_exceptions(message)
        begin 
           send_through_postmark_without_no_exceptions(message)
         rescue Postmark::InvalidMessageError => e
           Notifier.deliver_postmark_error(message, e)
         end
     end
   end
end
 
Postmark.send :include, PostmarkNoExceptions