linear-gradient in Thunderbird
Works linear-gradient works in Thunderbird.
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
<td style="background-color: #667eea;
background-image: linear-gradient(135deg, #667eea, #764ba2);
padding: 40px; color: #fff;">
Content here
</td>Show the original
<td style="background: linear-gradient(135deg, #667eea, #764ba2);
padding: 40px; color: #fff;">
Content here
</td>A free account opens all 21 clients and keeps your checks for 7 days. Create a free account →
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Every feature in Thunderbird · 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 Thunderbird: Apple Mail, which agrees on 219 of the 261 features both are tested on.
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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