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Emailens

linear-gradient in Apple Mail iOS

Works linear-gradient works in Apple Mail iOS.

Works in 9 of 21 · partial in 2 · not supported in 10

Which clients
Works
Gmail, Gmail iOS, Apple Mail, Apple Mail iOS, Thunderbird, HEY Mail, Proton Mail, Fastmail, Superhuman
Partial
Gmail Android, Samsung Mail
Not supported
Outlook 365, Outlook (New), Outlook Classic, Outlook iOS, Outlook Android, Outlook for Mac, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, AOL Mail

The fix for the clients that need it

Needed in 12 of 21: Outlook 365, Outlook (New), Outlook Classic and 9 more.

Add solid color fallback for gradient backgrounds

instead
<td style="background-color: #667eea;
            background-image: linear-gradient(135deg, #667eea, #764ba2);
            padding: 40px; color: #fff;">
  Content here
</td>
Show the original
before
<td style="background: linear-gradient(135deg, #667eea, #764ba2);
            padding: 40px; color: #fff;">
  Content here
</td>

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What Apple Mail iOS does with linear-gradient

The Emailens probe for linear-gradient on a real install counted as Apple Mail iOS, captured 14 Oct 2026. It shows the probe, not the fix. Where linear-gradient is supported it shows: amber to white gradient (grey means unsupported).

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Your next question

Every feature in Apple Mail iOS · linear-gradient in every client

Questions

How many email clients support linear-gradient?
It works in 9 of 21, partial in 2, not supported in 10.
Does linear-gradient work in Apple Mail?
linear-gradient works in Apple Mail. Closest to Apple Mail iOS: Apple Mail, which agrees on 284 of the 298 features both are tested on.

To see what in your email Apple Mail iOS does not support, paste the whole email.

The checker needs a computer screen.

Real captures 14 Oct 2026 on 10 installs · caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 29 Dec 2021 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping