If you delete your emails within your inbox and they are still there only with a strikedthrough it means that the messages have been deleted but it’s not hidden in your Inbox
To solve this login to webmail.co.za using your Username and Password
Then click on Settings and then on Options
Then under General Options check the checkbox next to Hide deleted messages and click on update to save your settings
Now after you updated your settings, the deleted messages should be hidden
Image Credits: Photo by Isis França on Unsplash.