登入 Webmail 並點擊 Horde。
Login to Webmail and click Horde.
選擇你要刪除的電郵，然後點擊刪除。
Select the email you want to delete and click Delete.
該電郵將被標記為帶有刪除線的刪除。
The email will be marked for a deletion with a strikethrough.
如要永久刪除被標記為帶有刪除線的電郵，選擇電郵，點擊右側的 "其他" > 清除已刪除
To permanently delete the strikethrough emails, select the email, click "Other" on right hand side > Purge Deleted
啟用“將已刪除的電郵移至垃圾箱”而不是標記為刪除（刪除線） Enable "Move Deleted Emails to Trash" instead of marking for deletion (strikethrough)
點擊菜單中的齒輪圖標，然後選擇 Preferences > 郵件。
Click the gear icon in the menu and select Preferences > Mail.
點擊 "刪除及搬移郵件"。
Click "Deleting and Moving Messages".
選擇 "Move deleted messages to your Trash mailbox instead of marking them as deleted in the current mailbox?" 並點擊"儲存"。
Check "Move deleted messages to your Trash mailbox instead of marking them as deleted in the current mailbox?" and click "Save".
