How to create hi-res retina images for email

While the world of email might be a a few years off from implementing something like SVG images there are a few tricks you can do to ensure you have high or at least higher quality images in your emails. The technique described here works best for small images, icons, or single colour images. During the testing process I noticed that serving images even slightly larger in size did have quite a noticeable image quality improvement on the retina screen. What we can learn from this is it’s not always necessary to supply exactly the right amount of pixels for the retina screens just try and get as close as possible. For this example I’m going to make a logo…