Why can't I receive the verification code in my mailbox?

First, the user's own mobile phone number is blocked by the operator.

Second, blacklist settings such as SMS security software.

First, the user's own mobile phone number is blocked by the operator. You complained to the operator that this notification message was spam, which caused the message to be blocked by the operator. Solution: You need to contact the operator to solve this problem.

Second, blacklist settings such as SMS security software. You used to set strict interception rules in mobile phone text messages. Solution: Check SMS blacklist settings, menu-> Harassment interception-> Settings, respectively, to see whether there is an interception mode and black and white list are not allowed to reach the number of SMS.