instance method attachments

# File actionmailer/lib/action_mailer/vendor/tmail-1.2.3/tmail/attachments.rb, line 23
    def attachments
      if multipart?
        parts.collect { |part| 
          if part.multipart?
            part.attachments
          elsif attachment?(part)
            content   = part.body # unquoted automatically by TMail#body
            file_name = (part['content-location'] &&
                          part['content-location'].body) ||
                        part.sub_header("content-type", "name") ||
                        part.sub_header("content-disposition", "filename")
            
            next if file_name.blank? || content.blank?
            
            attachment = Attachment.new(content)
            attachment.original_filename = file_name.strip
            attachment.content_type = part.content_type
            attachment
          end
        }.flatten.compact
      end      
    end