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Help & Documentation>About Account>FAQs>Account Information>Regarding email or mobile phone numbers

Regarding email or mobile phone numbers

Last updated: 2026-03-31 11:14:02

How to verify whether the mobile number is bound to a Tencent Cloud account

Please go to Find Account and use the Secure Mobile method to retrieve the account information.

How to modify the bound security mobile?

Method 1: Click the user avatar in the upper right corner of the Tencent Cloud official website, then click the Security Settings below the avatar to go to the Security Settings page. Then click the

after the security phone in Basic Settings to modify the bound mobile number, send a verification code, and after verification, you can modify the mobile number.
Method 2: Submit relevant documents through a manual appeal, required elements are as follows:
Personal Real-name Authentication: Please provide color scans of the front and back of your ID card.
Enterprise Real-name Authentication: Business License, front and back photos of the legal representative holding their ID card, front and back photos of the applicant holding their ID card, and Tencent Cloud Account Information Change Form.

How to modify contact mobile?

Log in to CAM, in the user list, find and click the user name for which you want to modify the contact mobile number, go to the user details page, click the

next to the contact mobile number to modify it. For details, see Modify Contact Mobile Number.

What restrictions are imposed to ensure the security of email login?

The password can only be entered incorrectly up to three times each day per account.
After three failed attempts, you must enter a verification code to log in.
After 10 failed password attempts, your account will be locked for 1 hour, starting from the first time an incorrect password was entered.

How to set a login email?

After setting up your login email, you can use it to log in to your Tencent Cloud account. To configure this, go to the Account Center > Account Information page and update your account email.

What's the difference between login email, security email, and contact email?

A login email is one of the methods to access Tencent Cloud. You can use an email to register an account or set a frequently used email as your login credential.
A verification email is mainly used to receive messages related to account security.
A contact email is mainly used to receive notifications generated during the use of Tencent Cloud products, such as product alert notifications and product expiration notifications.

How do I change my verification email?

You can click Tencent Cloud official website at the top right corner of the user icon, then click under the icon security settings to enter the security settings page, then click basic settings to bind a security email after the security email

, by passing the identity verification first, then entering the new binding email, and entering the Captcha received by the original email, you can modify the email.

How to change the contact email?

Log in to CAM, find and click the user name for which you need to modify the contact email, go to the user details page, click the

next to the contact email to modify it. For details, see Modify Contact Email.

What should I do if I can't receive the CAPTCHA?

What if I don't receive an email when registering an account with an email address?

Log in to your email and check the spam folder.
Contact your email administrator to see if Tencent Cloud's emails have been blocked; the unified sender email for Tencent Cloud-related emails is: cloud_noreply@tencent.com.

How to change the phone number used for verification when modifying the account password?

1. Log in to Account Center.
2. On the Security Settings page, click

next to Security Phone to modify the phone number.

Received message notifications on your phone that are not for your account?

It may be due to the following situations, and you can choose the corresponding solution based on the circumstances.
Possible Causes
Solutions
Your current mobile number is a recycled number, which means the previous owner of this number has already registered a Tencent Cloud account.
You have previously registered a Tencent Cloud account but have forgotten the account details.
Retrieve the account through Account Search .
You were previously a sub-account or Collaborator under another Tencent Cloud root account
You can contact the root account to delete your collaboration relationship.

After a Tencent Cloud account updates its mobile number, can the old number still receive Tencent Cloud messages?

If the bound mobile number has been successfully updated, the old mobile number will no longer receive Tencent Cloud-related messages.
The platform has Security Phone and Message Receiving Phone. You need to confirm whether the mobile number has been modified. The methods to view and confirm are as follows:
Type
Use
View Path
Security Phone
Receives security settings information, such as login anomalies, login protection, verification codes, and so on.
Account center > Security Settings > Security Phone
Message Receiving Phone
Receives platform messages related to billing, business alerts, etc
CAM > Users > List of user , click Associated Information column

to enter the details page

How to unbind a secondary number from a Tencent Cloud account?

If the newly purchased mobile number was previously bound to a Tencent Cloud account, affecting your normal account registration or modification of account information, you can refer to Recycled Number Unbinding Handling Process to request to unbind the mobile number from the account.

Can the contact mobile phone and secure mobile phone of a Tencent Cloud account be different for real-name authentication?

Yes. During real-name authentication, the main association is with your secure mobile phone. The contact mobile phone is used to receive corresponding notification information on the cloud.