1.

Obsidian header 0.1

KMail Header Themes by houston4444
5.0
Oct 23 2014
2.

Breeze Material Dark 0.1

KMail Header Themes by kinta
5.7
Sep 06 2015
3.

Modern Headers 0.2

KMail Header Themes by Tovok7
5.7
Apr 22 2014
4.

Material Reloaded 0.3

KMail Header Themes by ritze04
4 comments
5.7
Aug 28 2015
5.

Material 0.2

KMail Header Themes by anilroy
2 comments
6.1
Sep 10 2014
6.

Cute headers 0.1

KMail Header Themes by kinta
6.1
Oct 20 2014
7.
5.0
Jun 19 2018
8.

Dark Printable 0.4

KMail Header Themes by indy
5.0
Apr 29 2020
9.

Kmail Enhanced Dark 3

KMail Header Themes by sgorava
5.0
Nov 08 2019
10.

BlackCard 0.1

KMail Header Themes by zynex
5.0
Nov 26 2019