Step::1 Login to WHM Root and click on Server Configuration
Step::2 Now click on Tweak Settings
Step::3 Next you need to search for Squirrel in the search box and once you find it just tick on the Off button
Step::4 Click on Save
Step::5 In the same way find Horde and disable it.
Step::6 Finally click on Save.
Congratulations! you have successfully disabled ‘Horde & Squirrel’ Webmail application from WHM Root.
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