Deleted emails disappear completely. They do not go to Trash.
Does anyone know how to fix the disappearing email (No emails show in Trash) problem.
MacBook Air 13″, macOS 12.1
Open Mail, open Preferences, select Accounts, and then select Mailbox Behaviors.
Depending on your email provider, you may see an option to move or not move deleted messages to the Trash. Select the option that you prefer.