Assuming that you have already logged in to webmail by following the URL http://yourdomain.tld:2095 OR http://yourdomain.tld/webmail and selected horde as your interface.
Step-1
Go to Settings > Preferences > Mail as shown in the below image.
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Step-2:
Click on "Deleting and Moving Messages" as shown in the below image.
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Step-3:
Click on both check boxes as shown in the below image and click save as shown in below image.
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Step-4:
Select the trash mail box by default we have selected Deleted items. As shown in below image.
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Step-5:
Once you have selected the appropriate mailbox, Please check the Box and Purge frequency as shown in the below image.
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Step-6:
After successfully following the steps you can easily delete your emails or view the deleted emails from your trash folder.
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We hope the above article was beneficial for you if you liked it, please give us a thumbs up.
Technical Support,
WebSouls.