This paper completely free software Linux operating system, POSTFIX e-mail software, e-mail WEBMAIL pages, constructed a fully functioning and stable operation of corporate e-mail systems.

• 最近要交论文了，还没有搞定摘要的英语翻译，小弟英语水平实在差劲，哪位达人帮忙把下面的摘要翻个英文版地，万分感激了！