Multiple IP Purchase and IP Overflow Logic

Customers can now purchase up to 5 dedicated IP addresses on Twilio Email, allowing high volume organizations to streamline and isolate email streams that serve their operational, strategic, and deliverability goals. Customers can segment different types of traffic, manage multiple brands or domains, and scale high volume sending with multiple IP addresses. Fallback options can be configured both on the account and the subaccount level to other IPs on the account or directly to the shared pools (limit of 1M per month).

To learn more about how to manage your email reputation and IP warmup, see the Twilio Docs.