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How to Fix Padding & Margin Collapsing in Apple Mail (Desktop)
for MJML Framework Campaigns

A programmatic integration guide for resolving email rendering crashes inside Apple Mail (Desktop) using MJML Framework's layout editor environment.

Root Bug Analysis

Apple Mail (Desktop) uses the WebKit which lacks support for standard rendering rules. This causes Padding & Margin Collapsing elements to break or collapse when rendering templates.

Active rendering engine: WebKit

MJML Framework Specific Guide

MJML Framework's delivery wrapper can clean and restructure elements during import, creating dynamic spacing differences inside Apple Mail (Desktop).

Integration Step:

Wrap the entire RenderOps corrected table block inside an '<mj-raw>' tag block. This tells the MJML compiler to bypass parsing on this segment, exporting the exact conditional statements into the final HTML output.

ESP Unsubscribe Alignment

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

MJML Framework Unsubscribe Tag:{{unsubscribe_link}}

Documented Client Behavior

Expected layout behavior based on target rendering engine specifications:

Documented behavior: Padding & Margin Collapsing causes elements to stack vertically or clip in Apple Mail (Desktop) when templates are sent from MJML Framework.

Interactive MJML Framework Custom Sandbox

Target Environment: Apple Mail (Desktop)

Auto-compile fixes inside RenderOps Workspace

Load layout code directly into our FlightControl Workspace to compile responsive table frameworks that display cleanly in Apple Mail (Desktop).

Launch FlightControl Workspace

Fix Padding & Margin Collapsing on Other clients for MJML Framework