You can mark a ticket as spam and suspend the requester at the same time. Tickets marked as spam are permanently deleted. Suspended users can be unsuspended if necessary.
You can also mark multiple tickets as spam at the same time. See Bulk marking tickets as spam and suspending the requesters.
To mark a ticket as spam and suspend the requester:
- Open the ticket you want to mark as spam.
- Click the Ticket options menu in the upper right, then select Mark as spam.
You will only see this option on tickets where the requester is an end-user.
- Click Immediately mark as spam to confirm that you want to continue.
The ticket will be deleted and cannot be recovered. The requester will be suspended. Alternatively you can click Cancel.
You can also watch this short video.