In the To field, type the email address you want to send the email to.
You can also send emails to a group of email addresses from your Contacts app, or hide everyone’s email address to protect the privacy of your recipients. See .
Go to the Mail app , then choose a time, or choose Send Later to set a date and time.
The email appears in the Send Later mailbox in the Mail sidebar.
Change the scheduled time for an email: Double-click the email in the Send Later mailbox, then click Edit in the top-right corner.
Prevent a scheduled email from sending: Select the email in the Send Later mailbox, then click Reply to, forward, or follow up on emails in Mail on MacMail Support website