在给出的SMTP pop程序中加上一个过滤器，使能够对接收邮件的主题内容进行关键字过滤。关键字从文件中读出，不少于十个，比较结果符合的打印出过滤用关键字、邮件主题、邮件发件人。多重符合的每次结果都要打印。在windows Visual C＋＋ 下调试-SMTP pop in the given procedure to add a filter to enable the theme for the receiving e-mail content filtering keywords. Keywords from the document read out, of not less than 10, in line with the results of the comparison with the print keyword filtering, mail the theme of the message sender. Multi-line with the results of each must be printed. In windows Visual C++ under the debugger