前段时间在帮客户买新的授权的时候，安装完后，发现DA上面显示的有效日期是一个月，觉得很纳闷，明明买的是终身授权，怎么会有效期会是一个月呢，于是发了一封email给Mark。
Mark回复：
All our lifetime licenses are set to update monthly but remain lifetime.
You can see more info at http://help.directadmin.com/item.php?id=378
现在所有终身授权的，显示是有效期都是一个月，不过，到期后，DA会自动更新授权，假如一个DA安装在多台机子上面，是无法全部更新的，只能更新一台，这样做防止了滥用DA！！！
License Type INTERNAL LICENSE -- This special license may not be resold or transferred. For internal datacentre use only. Please contact your server provider for control panel and system technical assistance. Please report unauthorized reselling to sales@directadmin.com
Valid After Sat May 1 05:52:47 2010
Valid Until Tue Jan 19 11:14:07 2038
Current Server Time Wed Jun 22 15:10:40 2011
Time Remaining 9707 days, 20 hours and 3 minutes
Last Updated Sat May 1 07:16:45 2010
发表于 2011-6-22 14:36:48
