梵蒂冈景点参观预约多长时间能收到确认邮件？

昨天下午在网上预约了梵蒂冈景点参观时间，程序走完以后收到一封确认邮件（内容详见最后），点击邮件上的确认链接后按页面提示确认成功。以为还会收到一封邮件，包括确认预约信息的内容（见网友贴过相关格式）。结果到现在都没有收到。不知道是什么情况，是预约不成功？还是需要等候一定时间后才会有预约成功的邮件？请教有此类经验的穷游儿们。
收到的确认邮件内容：
In order to confirm your reservation please click on the following link within the next 20 minutes: http://e-solutio.catholica.va/solutionis/confirm.do?idTransazione=g6ghondf6dkmc5kdn5da8a41ea07&macConfirm=960D06AE16E30E815AD18EA1CBA415FA&email=449629161@qq.com&numord=2KH4ZCNP3TTG95IWJ1 If you have problems with this link copy and paste it into your browser's address bar. Once you have completed this procedure you will automatically receive via email the Booking voucher, which you must present to the staff of the Vatican Museums, at the entrance reserved for "reserved ticket holders". The total amount stated on the voucher must be paid for in cash at the cash desks of the Vatican Museums. Thank you for having used our services. For info and supporto contact help.musei@scv.va.

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