To pause the sending from an email address for some time, you need to go to your account's Settings → Accounts → Settings option, or just click on the account name.
In Email Accounts settings:
Click 'Sending'.
Scroll down to the 'Freeze email account' section.
Choose the start and end date.
Choose the timezone.
Click the 'ADD' button.
You may have multiple dates scheduled. If you need to remove an entry, simply click the X button.
If you feel like learning about this topic in a bit of a different manner, check out our absolutely serious commercial video below: