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Fix Gmail Line-Height Shifts in Samsung Email — Campaign Monitor Guide

A programmatic integration guide for resolving email rendering crashes inside Samsung Email using Campaign Monitor's layout editor environment.

Root Bug Analysis

Samsung Email uses the WebKit which lacks support for standard rendering rules. This causes Gmail Line-Height Shifts elements to break or collapse when rendering templates.

Active rendering engine: WebKit

Campaign Monitor Specific Guide

Campaign Monitor's delivery wrapper can clean and restructure elements during import, creating dynamic spacing differences inside Samsung Email.

Integration Step:

In Campaign Monitor, click the 'Source' button on your selected editable text region, or edit the template code files directly. Ensure you append the 'class="cs-editable"' flag if you need inline editing later.

ESP Unsubscribe Alignment

When compiling custom HTML templates for Campaign Monitor, you must ensure your layout retains deliverability compliance loops. Campaign Monitor requires you to insert their specific unsubscribe merge tag, otherwise your campaign delivery will be flagged by automated spam audits.

Campaign Monitor Unsubscribe Tag:[unsubscribe]

Documented Client Behavior

Expected layout behavior based on target rendering engine specifications:

Documented behavior: Gmail Line-Height Shifts causes elements to stack vertically or clip in Samsung Email when templates are sent from Campaign Monitor.

Interactive Campaign Monitor Custom Sandbox

Target Environment: Samsung Email

Paste Your Broken Code

<p style="font-size: 16px; line-height: 1.5em; margin: 0;">Typography Paragraph</p>

RenderOps Compiled Output

<!-- Paste code on the left and click compile to output clean fallback tags -->

Auto-compile fixes inside RenderOps Workspace

Load layout code directly into our CSS Inliner to compile responsive table frameworks that display cleanly in Samsung Email.

Launch CSS Inliner