How many 163 email addresses can a mobile phone number have at most?

A mobile phone number can have at most one 163 mailbox, because when creating a 163 mailbox, a valid mobile phone number needs to be bound. The mobile phone number will be authenticated and recorded as part of the account. If you want to create Another 163 email address requires another different mobile phone number that has not been used to bind other 163 email addresses for authentication.

Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.

A mobile phone number can only register at most one 163 email address.

This is because when creating a 163 mailbox, you need to bind a valid mobile phone number, which will be authenticated and recorded as part of the account. If you want to create another 163 email address, you need a different mobile phone number that has not been used to bind other 163 email addresses for authentication. Therefore, each mobile phone number is limited to binding and verifying one 163 email address.

How to bind your mobile phone number to your email address:

1. Log in to the 163 Email website and enter

2. Find the email address in the settings For security settings, enter the mobile phone number to be bound and verify it.

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