The forums ran from 2008-2020 and are now closed and viewable here as an archive.
Home › Forums › CSS › Help with HTML email Volume 2 › Re: Help with HTML email Volume 2
Codepen can display images if they are hosted somewhere.
If not use placeholder images the same size:
http://www.placehold.it/ or http://lorempixel.com/
Also, can you not strip out the majority of the inline styles and just put them in the head like normal css?