Send a courteous acknowledgment when a support ticket has no matching approved answer and leave it open for an Agent.
Confirm after-hours tickets arrived and keep unanswered cases open.
Customers get a receipt after hours, and your next support shift sees which tickets still need a personal reply in team chat.
Answer clear FAQ tickets and leave other questions open for follow-up.
Your customers hear back by email on familiar questions, while tickets needing a personal answer stay open for your support team.