View Standard Fix
USE CASE Target

Email Not Displaying Correctly in Gmail: Fix Padding & Margin Collapsing for React Email for B2B Cold Outreach

B2B cold outreach templates demand maximum deliverability and a plain-text appearance. Heavy, broken CSS structures or HTML syntax issues trigger spam filters instantly. Below is the targeted integration guide to fix Padding & Margin Collapsing inside Gmail App (iOS & Android) templates when using React Email.

Technical Breakdown

Gmail App (iOS & Android) uses the WebKit / Blink which lacks support for standard rendering rules. This causes Padding & Margin Collapsing elements to break or collapse when rendering templates.

React Email Behaviors

React Email relies on compiling CSS parameters dynamically. However, React Email's compiler cannot parse raw MSO conditional comments or VML structures in TSX files directly. For cold sales outreach, minimize VML structures and prioritize light, standard text blocks to maximize inbox placement on corporate enterprise filters.

Remediation Code Block

To ensure spacing works reliably, apply all structural paddings directly to HTML td elements inside tables. Do not apply paddings or margins to raw divs, as Outlook will strip them. For vertical spacing, use explicit spacer tables or empty rows. In your React Email campaign manager, make sure you configure your links to run via {unsubscribeUrl}.

<table role="presentation" border="0" cellpadding="0" cellspacing="0" width="100%">
  <tr>
    <td height="20" style="font-size: 1px; line-height: 1px;">&nbsp;</td>
  </tr>
  <tr>
    <td style="padding: 15px; background-color: #f1f1f1;">
      Content with padding and margin
    </td>
  </tr>
  <tr>
    <td height="20" style="font-size: 1px; line-height: 1px;">&nbsp;</td>
  </tr>
</table>

Live Code Sandbox Test

Interactive React Email Custom Sandbox

Target Environment: Gmail App (iOS & Android)

How to Deploy inside React Email

1

Copy the fixed VML or table wrapper code block from the remediation box above.

2

Import the standard '<Html>' or '<Container>' primitives. To insert our VML or custom Outlook table markup directly, wrap the raw HTML snippet inside React's 'dangerouslySetInnerHTML' parameter on a div or span.

Targeted Fixes by Use Case & Industry