Dec 18, 2019 · Here are the points that we’ll cover so that you can effectively deliver your email marketing message: File size: Less than 1MB. File type: .jpg, .png or .gif. Image width: 590px for a banner image and 530px for all other images. We’ll take a closer look at each point below.
Our weekly email tops out at 960px wide, and goes from 3 cols to 2 to 1 depending on subscribers screen sizes.” We checked out Action Rocket’s email on our Apple Thunderbolt monitor. Sure enough, it looked sharp as a tack and that yellow background color in the main section stretched full width.
The majority of the newsletters have a defined width of around 620 total pixels. I usually use 600px, but anything below 620 is safe. Most email clients and web-based email providers don’t use the full width of the screen to display an email message.