Do I need to use spacer images when coding HTML emails?

Question

I understand that HTML emails need to use really old school layouts - as per lots of other answers on SO (e.g. HTML email: tables or divs?, HTML Email using CSS).

Ho

Answer 1

You can definitely avoid using spacer gifs.

I find that the following code works in all clients. I generally either specify the width or the height of these empty cells. This specific example is what I use to create vertical space: