Sending domains
Everyfrom address must belong to a verified domain on your account.
1. Add the domain
2. Publish the DNS records
3. Verify
Cloudflare shortcut
If your DNS lives on Cloudflare,GET /sending/domains/cloudflare/connect returns an authorization URL. After approval, POST /sending/domains/cloudflare/sync publishes the records for you; GET /sending/domains/cloudflare/status shows the connection, and DELETE /sending/domains/cloudflare/disconnect removes it.
Managing domains
List withGET /sending/domains, read one with GET /sending/domains/{domain_id}, rename with PUT, remove with DELETE. Removing a domain stops future sends from its addresses.