Vacation reply is a very useful tool to let your contacts know that you're out of your office within a certain timeframe when they send you emails so they expect a reply from you after the vacation period.
To create a vacation reply from your email account, please follow the video tutorial:
Video Link: https://www.youtube.com/watch?v=dryHgaTu3hY&list=PL6n6RAoV8lniwrKQWaLNz2jxbcuHLnm87