If you are an Owner or Manager user role in Swivel, you can setup which Email Domains to allow access to your Swivel account.
Step 1: Enable the ability to restrict email domain connections
Navigate to Settings from the left side navigation
Select Email Security
In the top box under "Microsoft & Google Account Connection Allowlist", toggle on the Restrict connections to allowed domains
Step 2: Add Domain Entries
Navigate to Settings from the left side navigation
Select Email Security
In the Allowed domain section, begin typing in the text box your domain entry
Select Add Domain
Once added, your domain can be removed at any time by selecting the red "Remove" button next to that specific domain.