Front makes it easy to save vacation responders and turn them on and off. If you're not on Front (yet!) here's how to save one in Gmail or Outlook. Then just copy your message into your vacation responder, rest assured your emails will get a response, and hit that glorious "Sign out" button.
If you are unavailable and a client needs contact, a colleague’s contact information can be included. The text should also indicate when it’s appropriate to contact the alternate. Some people will indicate that the contact is for urgent matters while others may offer for consistent client care.

Q. Before I leave my office for winter break, are there things I should do to safeguard my work area?
But I also believe there’s meaningful power in the mundane cultural norms we set and practice. Email, for better or worse, makes up a large chunk of how knowledge workers communicate. So much of this communication is muddled by broken email habits and larger anxieties around performing productivity. We’re constantly nervous about asking too much of others or doing too little on behalf of our coworkers. But we’re also stuck in work patterns that force us to communicate constantly and normalize working and demanding things from colleagues at all hours.