If your email signature looks like the below with a vertical split, it is likely this was set up using HTML.
Crelate offers the ability to add your signature via HTML.
Step 1: Navigate to your Profile & Preferences
Step 2: Select the HTML icon:
Step 3 - Finish: Take a look at the video below to complete the process!
Don't have HTML in your Signature? Simply navigate to the link below to set up your email signature.