Why can't the mailbox be used for fire fighting in Shantou?

Shantou fire station can't use it because it needs to register an email address.

1, the main reason why the mailbox can't be used is that the mailbox needs to be registered. If you haven't registered your email, you can download the email master. After downloading the mailbox master, you can register with pinyin letters, or you can register with pinyin and Arabic numerals. After registering, you can send and receive e-mail.