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Email Not Displaying Correctly in Gmail: Fix Outlook Background Image Collapse for HubSpot

A programmatic integration guide for resolving email rendering crashes inside Gmail Web (Desktop) using HubSpot's layout editor environment.

Root Bug Analysis

Gmail Web (Desktop) uses the Goog/WebKit Layout Engine which lacks support for standard rendering rules. This causes Outlook Background Image Collapse elements to break or collapse when rendering templates.

Active rendering engine: Goog/WebKit Layout Engine

HubSpot Specific Guide

HubSpot's delivery wrapper can clean and restructure elements during import, creating dynamic spacing differences inside Gmail Web (Desktop).

Integration Step:

In HubSpot's Design Manager, edit the modules section. Create a 'Rich Text' or 'HTML' module block. Double-click the block, choose 'Tools' or 'Advanced', click 'Source Code', and drop the code snippet inside.

ESP Unsubscribe Alignment

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

HubSpot Unsubscribe Tag:{{ unsubscribe_link }}

Documented Client Behavior

Expected layout behavior based on target rendering engine specifications:

Documented behavior: Outlook Background Image Collapse causes elements to stack vertically or clip in Gmail Web (Desktop) when templates are sent from HubSpot.

Interactive HubSpot Custom Sandbox

Target Environment: Gmail Web (Desktop)

Auto-compile fixes inside RenderOps Workspace

Load layout code directly into our VML Button Builder to compile responsive table frameworks that display cleanly in Gmail Web (Desktop).

Launch VML Button Builder

Fix Outlook Background Image Collapse on Other clients for HubSpot