Short answer:
Enable Use simple text editor for HTML to paste and preserve your original HTML without modifications.
As an HTML professional or design agency, you likely use tools such as Adobe or other design software to create your email signatures.
With Xink, you can continue using your preferred tools and simply copy and paste your HTML. By enabling the simple text editor, your HTML will be preserved without being altered by the built-in editor.
In the Preferences menu, select Use simple text editor for HTML:

In the Signatures menu, this setting removes the built-in editor and ensures your HTML remains unchanged:
