Dollar 租好了车明天就出发了，今天却收到一封这

Dollar 租好了车明天就出发了，今天却收到一封这样的邮件？


Dear Jing,


DTAG Dollar in conjunction with your car supplier have been unsuccessful in contacting you by phone, with the contact number supplied, regarding your pending car rental reservation.


We are carrying out a random security check and would like to verify some details with you, at your very earliest convenience.


Please use one of the following numbers to reach The CarTrawler Customer Services Team.



Dollar(+44) 203 468 7685

Thrifty(+44) 203 468 7686



If we do not hear from you before pick up time we may have to cancel the Booking.


请各位帮忙看一下，为啥会有这样的邮件发给我？你们有人曾经收到过么？