Short answer
Use E-mail Manager then Vacation Messages in DirectAdmin for a dated out-of-office message, or E-mail Manager then Autoresponders for a reply that runs continuously. Set an end date on holiday messages so they stop by themselves.
Learn more
- Autoresponders and out-of-office repliesSend automatic replies with DirectAdmin autoresponders or vacation messages, set start and end dates, and avoid reply storms.
- How to set up email forwardingCreate a forwarder that passes mail for one address to another inbox, understand forwarding and spam filters, and avoid forwarding loops.