You can change email password for mailbox you created in hosting control panel
Email Manager > Email Accounts
click the + button near the account ************@webhulp.x10.bz > change password
The instructions would depend on if you created a separate standalone email address (ie. user@example.com) or if you intend to the default system created one.
1. that password can be changed when logged into your account panel https://x10hosting.com/panel and then clicking the name of your...
From the referenced link provided:
IMAP Secure (incoming)
server name: your domain or the server address you are in
port: 993
security: ssl
authentication: plain/normal
SMTP Secure (outgoing)
server name: same as incoming
port: 587
security: STARTTLS
authentication: plain/normal
1. This is indicative of your IP being blocked by the server, likely for failed login attempts.
2. https://gjr.x10.mx/#mail has the correct mail settings to apply for email clients.
You likely got blocked again for failed IMAP logins from your local device checking for email using incorrect credentials. I would encourage deleting the email account on your local device.