Unable to receive the vertical and horizontal verification code of this voyage.

Does the subject want to ask, "What if I can't receive the vertical and horizontal verification code?" The method includes checking whether the verification code is mistaken for spam messages or short messages, and checking whether the correct contact information is entered.

1. Check whether the verification code is mistaken for spam or SMS. Sometimes the verification code will be misjudged as spam or short message by email or mobile phone system, so please check the spam or short message box to see if there is any relevant verification code information in the spam or short message box.

2. Check whether the correct contact information is entered. When using airmail, you need to enter your mobile phone number or email address correctly in order to receive the verification code. If the contact information entered is incorrect, you will not receive the verification code information.