Delete an email
1. In the Mail app on your Mac, select a message.
2. Click the Delete button in the Mail toolbar or move the pointer over the message’s header, then click the Delete
button that appears.
Tip: To prevent the next message in the list from being automatically selected (and
marked as read), press and hold the Option key when you delete the message.
If you set the “Move discarded messages” option to Trash in Viewing preferences in
Mail, you can delete a message by swiping left on the trackpad with two fingers
or by moving the pointer over a Mail notification, then clicking Trash.
View deleted emails
Whether you can view and retrieve messages after you delete them depends on how you set
options in Mail preferences while email migration.
1. In the Mail app on your Mac, choose Mail > Preferences, then click Accounts.
2. Select an account, click Mailbox Behaviours, then check the setting for the Trash Mailbox option.
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If a mailbox is specified: You can view deleted messages in the Trash mailbox until they’re permanently erased. To retrieve a deleted message,drag it from the Trash mailbox to another mailbox.
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If None is specified: Deleted messages may temporarily remain in their original location, but are dimmed or hidden. To show or hide them, if available, choose View > Show Deleted Messages or View > Hide Deleted Messages.
Permanently delete emails
§ In the Mail app on your Mac, choose Mailbox > Erase Deleted Items, then choose an account.
You can also Control-click a Trash mailbox in the Mail sidebar, then choose Erase Deleted Items.
You can set the “Erase deleted messages” option in Mail preferences to have Mail permanently erase deleted messages for you at a specified time
Regards,
Adrian
