It's not required to whitelist Envoke IP addresses by default. Whitelisting is only necessary if messages to internal emails addresses aren't delivered due to your organization's email security policies.

Before you whitelist sender IPs please add a DMARC, DKIM and SPF record in the DNS of your domain. Read more.

If you need to whitelist Envoke sender IPs, the best way to do this is using our SPF record of spf.envoke.com

If you need to to specify IP addresses, you can use the IPs below. Note that some of these are IP ranges not single addresses and they are subject to change without notice.