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<link> in AOL Mail

Not supported <link> is not supported in AOL Mail.

Works in 3 of 21 · not supported in 18

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

Your reader in AOL Mail sees the email without <link>, even if it looks right where you tested it.

The fix for AOL Mail

Inline all CSS instead of using external stylesheets

after 
<div style="max-width: 600px; margin: 0 auto;">
  <div style="background-color: #6d28d9; padding: 32px;"></div>
</div>
Show the original
before 
<head>
  <link rel="stylesheet" href="styles.css" />
</head>

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What AOL Mail does with <link>

@emailens/engine 0.18.22 on the original code

AOL Mail does not support external stylesheets.

Your next question

Every feature in AOL Mail · <link> in every client

Questions

How many email clients support <link>?
It works in 3 of 21, not supported in 18.
What do I use instead of <link> in AOL Mail?
Inline all CSS instead of using external stylesheets.
Does <link> work in Yahoo Mail Android?
<link> is not supported in Yahoo Mail Android. Closest to AOL Mail: Yahoo Mail Android, which agrees on 281 of the 297 features both are tested on.

To see what else in your email AOL Mail does not support, paste the whole email.

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caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 21 Dec 2023 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping