Articles on: Deliverability & Spam

Switching or disconnecting your domain

Once your sending domain is connected and verified, you can change it any time - for example, if you're rebranding, moving to a new domain, or you set up the wrong one. This article shows how.

When your domain is connected

Go to Brand & Settings → Sender info. When a domain is fully set up, the Sender section shows a green Connected badge, along with your Root Domain, Sender domain, and sending addresses.

To change or remove it, click Disconnect custom domain in the top-right of the Root Domain row.

The Sender info page with a connected domain and the Disconnect custom domain link

Disconnecting stops sending from your own domain. After you disconnect, Wiz falls back to sending from the shared domain until you connect and verify a new one. Reconnecting a domain means adding DNS records again, so only disconnect when you're ready to make the change.

Connecting a different domain

After disconnecting, set up the new domain the same way you did the first:

On Sender info, use Setup Domain.
Enter your new domain and add the DNS records at your domain provider.
Tick I've added these records and click Verify Records.

For the full step-by-step, see Connecting your domain.

Common questions

Do I lose anything by disconnecting?

Your flows, campaigns, and contacts are unaffected - disconnecting only changes which domain your emails send from. Wiz keeps sending from the shared domain in the meantime.

Can I switch back to the shared domain and not connect a new one?

Yes. Disconnecting your custom domain returns you to the shared domain. Keep in mind that sending campaigns requires a connected domain.

Will my new domain need DNS records again?

Yes. Each domain has to be verified with its own DNS records, so connecting a new one repeats the setup process.

Updated on: 31/07/2026

Was this article helpful?

Thank you!