min-height in Fastmail
Works min-height works in Fastmail.
Works in 19 of 21 · not supported in 2
Which clients
- Works
- Gmail, Gmail Android, Gmail iOS, Outlook 365, Outlook (New), Outlook iOS, Outlook Android, Outlook for Mac, Apple Mail, Apple Mail iOS, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, Samsung Mail, Thunderbird, HEY Mail, AOL Mail, Fastmail, Superhuman
- Not supported
- Outlook Classic, Proton Mail
The fix for the clients that need it
Needed in 2 of 21: Outlook Classic and Proton Mail.
Use a fixed height or spacer instead of min-height
<!-- Outlook ignores min-height. Use height or a spacer image. -->
<td height="100" style="height: 100px;">Content</td> Show the original
<td style="min-height: 100px;">Content</td> A free account opens all 21 clients and keeps your checks for 7 days. Create a free account →
Your next question
- Does unit-vw work in Fastmail?
Works in 18 of 21 · not supported in 2 · 1 untested
- Does unit-vh work in Fastmail?
Works in 17 of 21 · partial in 1 · not supported in 2 · 1 untested
- Does mix-blend-mode work in Fastmail?
Works in 13 of 21 · partial in 2 · not supported in 6
- Does writing-mode work in Fastmail?
Works in 13 of 21 · partial in 2 · not supported in 6
- Does filter work in Fastmail?
Works in 7 of 21 · not supported in 14
- Does grid-template-columns work in Fastmail?
Works in 7 of 21 · partial in 1 · not supported in 13
Questions
- How many email clients support min-height?
- It works in 19 of 21, not supported in Outlook Classic and Proton Mail.
- Does min-height work in Apple Mail?
- min-height works in Apple Mail. Closest to Fastmail: Apple Mail, which agrees on 192 of the 235 features both are tested on.
To see what in your email Fastmail does not support, paste the whole email.
No signup · Five clients free, Outlook Classic included · All 21 with an account
The checker needs a computer screen.
caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 29 Nov 2021 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping