Hi @Ainul Jasni ,
Please navigate to the following place to check your settings:
Quarantine policy -> Global settings -> The bottom part is shown below
The default notification period is three days, you could manually adjust the period of sending notification emails
If an Answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.