Archive for: October 2017

Correcting Outlook DPI Scaling Issues


Outlook DPI scaling is one of the most common problems encountered when developing emails and supporting Outlook (alongside the 1px horizontal line issue). The severity of impact caused by DPI scaling depends on what you’re trying to accomplish with the email’s design/layout/structure, and how the email is coded.

At Litmus Live Boston and San Francisco this year, I gave a talk on correcting Outlook DPI scaling issues, while also looking at how it applies to Hybrid development, and touched on some other aspects it impacts that are common in email development today.

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Background Images & Samsung Email App

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Samsung is one of the most popular mobile device brands out there today, so it’s no surprise that we should support it when developing emails. It has its own native email app that comes pre-installed.

This year I was able to get my hands on a Samsung device to test on for the first time. One technique I use with emails is implementing mobile-optimized versions of images — particularly the “hero” image — in order to make them better for mobile devices, rather than just having the desktop version resize down. This involves hiding the inline desktop image and displaying the mobile version as a background image within a media query.

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