Login to your cPanel and click on Autoresponders.
Click Add Auto Responder.
Your Auto Responder creation screen will now be open and the first thing you need to do is change your character set to utf-8. This is vital to ensure that all characters are viewed and translated correctly. Set a from name, subject, and tick the This message contains HTML checkbox.
Switch to Email Signature Rescue and Edit your signature, click Grab Code then highlight the all of the code by pressing Ctrl + A and Copy.
Switch back to your cPanel and paste the copied code into your Body field. Set your Start and Stop to immediately and never unless otherwise required.
Once finished, click Create/Modify to complete the Autoresponder.