Antidote mail 14

You're referring to the Antidote puzzle series!

Antidote Mail 14 is a puzzle that requires you to decode a message using a specific technique. Here's a hint to get you started:

The message is encoded using a Caesar Cipher, which is a type of substitution cipher where each letter is shifted a fixed number of positions down the alphabet.

Can you figure out the decoding technique and reveal the hidden message?