1. If you have not setup a signature yet, please refer to: https://ucsupport.happyfox.com/kb/article/8-e-mail-signatures/ If you have already skip to step 2. 

2. For simplicity, copy your already made email signature from an email in your "Sent" folder. 

3. Go to the "Settings" app. 

4.  Scroll down and go to the "Mail" setting.

5. Scroll down to  "Signature" and paste your signature.