An authenticated domain allows you to remove the "via" or "sent on behalf of" message that your recipients see when they read your emails. Authenticating a domain allows you to replace sendgrid.net with your personal sending domain. You will be required to create a subdomain so that SendGrid can generate the DNS records which you must give to your host provider. If you choose to use Automated Security, SendGrid will provide you with 3 CNAME records. If you turn Automated Security off, you will get 2 TXT records and 1 MX record.
Domain Authentication was formerly called "Domain Whitelabel".
For more information, please see How to set up domain authentication.
Each user may have a maximum of 3,000 authenticated domains and 3,000 link brandings. This limit is at the user level, meaning each Subuser belonging to a parent account may have its own 3,000 authenticated domains and 3,000 link brandings.
This endpoint allows you to disassociate a specific authenticated domain from a subuser.
Authenticated domains can be associated with (i.e. assigned to) subusers from a parent account. This functionality allows subusers to send mail using their parent's domain. To associate an authenticated domain with a subuser, the parent account must first authenticate and validate the domain. The parent may then associate the authenticated domain via the subuser management tools.
Note that if you used the /v3/whitelabel/domains/{domain_id}/subuser:add endpoint to add multiple domains to the subuser, you should use the /v3/whitelabel/domains/{domain_id}/subuser endpoint to disassociate those domains.
Bearer <<YOUR_API_KEY_HERE>>Username for the subuser to find associated authenticated domain.
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1const client = require("@sendgrid/client");2client.setApiKey(process.env.SENDGRID_API_KEY);34const queryParams = {5username: "test",6};78const request = {9url: `/v3/whitelabel/domains/subuser`,10method: "DELETE",11qs: queryParams,12};1314client15.request(request)16.then(([response, body]) => {17console.log(response.statusCode);18console.log(response.body);19})20.catch((error) => {21console.error(error);22});