How to Enable/Disable Horde on a cPanel/WHM server
How to Enable/Disable Horde on a cPanel/WHM server
1. Login to WHM (WebHost manager) using server root login details. Open a new web browser an type the address https://YourServerHostname:2087 to access WHM. The login page will ask for username and password, enter server root password to login

Login to WHM
2. Search for Tweak Settings in the WHM search window and click on “Tweak Settings”

Search For Tweak Settings in WHM
Tweak Settings Path : WHM Home » Server Configuration » Tweak Settings
3. Click on “mail” tab under “Tweak Settings” and scroll down. You can see the option “Enable Horde Webmail” with an On and off radio button. Check the below screenshot.

Enable/Disable Horde Webmail on cPanel Server
Select the radio button “On” to Enable Horde webmail.
Select the radio button “Off” to disable Horde webmail for all cPanel users. You must save the changes after selecting the radio button.
How to Enable/Disable Horde from Server Backend
You can also Disable/Enable Horde from server backend by editing the file /var/cpanel/cpanel.config. Open the file /var/cpanel/cpanel.config using a vi editor and change the line “skiphorde=0” to “skiphorde=1” to disable Horde.

Enable/Disable Horde Webmail from server Backend.
skiphorde=0 = Horde is enabled for all accounts
skiphorde=1 = Horde is disabled for all accounts
Restart cPanel service after making changes in cpanel.config file.