# Members and Accounts
#sign up
Can I sign up using Naver, Google, or other personal email accounts?
No, you cannot sign up using personal email accounts such as Naver or Google.\
Registration is only available using a company or organization email address.
#password
I want to change my password
To change your password:
1\. Log in to your account.\
2\. Click **\[My Page]** in the top-right menu.\
3\. Go to **My Page > Account Info**.\
4\. Click **\[Change Password]** at the bottom of the page.\
5\. Enter a new password to complete the change.
#verification
I didn’t receive the verification email
If you did not receive the verification email, please check your spam folder or other folders such as Trash.\
Also, make sure your mailbox is not full and that the sender is not blocked.
If the issue persists, please contact us at:
#verification
Mobile phone identity verification is not working.
For paid members, identity verification is required and must be completed using a mobile phone registered under your own name.
If verification fails, please contact us at:
#paid member
I want to change the administrator of a paid account.
If you need to change the administrator, please send an email to: \
Include the following information:
```
・ Current administrator’s email address :
・ New administrator’s email address :
```
We will process the change for you.
#paid member
I want to add or remove paid access for sub-users.
You can manage sub-users from the administrator account:
* Go to **\[My Page > Payment]**
* You can manage sub-users directly from the billing Information section.
Please note:
* The sub-user must already have a registered account.
* Only accounts with the same email domain as the administrator can be added.
* Once registered, sub-users cannot be changed for one month.
* Notification emails will be sent when access is granted or revoked.
#change account
I want to change my email address.
Email addresses cannot be changed.\
There is no limit to the number of sign-ups, so if you want to use a different email address, please register again with the new email.\
If you have additional questions, please contact us at:
#undubscribe
I no longer want to receive marketing emails.
#### Newsletter
Click the **“Unsubscribe”** link at the bottom of any newsletter email, or\
Go to **\[My Page > Account Info]** and change your newsletter subscription settings.
{% hint style="info" %}
Service-related emails are mandatory notices sent to all members and are not marketing emails.
{% endhint %}
For additional inquiries, please contact:
#account deletion
I want to delete my account
To delete your account:
1. Log in to your account and Click **\[My Page]** in the top-right menu.
2. Click **\[Account Deletion]** at the bottom of the page.
***
#### :pencil2: If you still have questions, please contact us directly!
Contact
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