关于已注销账户的邮箱无法注册新账户的问题

前几天让MATLAB服务部门注销了自己所有的账户，但是现在再用已注销账户的邮箱去注册新账户却显示邮箱已被使用，为什么已注销的邮箱不能用来注册新的账户？

[Walter Roberson]

Approximate translation:

There is a problem with mailboxes that have logged out of their accounts

A few days ago let MATLAB service department canceled all their accounts, but now the account has been canceled account to register a new account has been displayed by the mailbox has been used, why the cancellation of the mailbox can not be used to register a new account?