add_attachment (MailFactory)

    # File lib/mailfactory.rb, line 244
      def add_attachment(filename, type=nil, attachmentheaders = nil)
        attachment = Hash.new()
        attachment['filename'] = Pathname.new(filename).basename
        if(type == nil)
          attachment['mimetype'] = MIME::Types.type_for(filename).to_s
        else
          attachment['mimetype'] = type
        end

        # Open in rb mode to handle Windows, which mangles binary files opened in a text mode
        File.open(filename, "rb") { |fp|
          attachment['attachment'] = file_encode(fp.read())
        }

        if(attachmentheaders != nil)
          if(!attachmentheaders.kind_of?(Array))
            attachmentheaders = attachmentheaders.split(/\r?\n/)
          end
          attachment['headers'] = attachmentheaders
        end

        @attachments << attachment
      end