Allowlist IPs for Support Emails

Source: https://platform-support.certain.com/hc/en-us/articles/31653607358615-Allowlist-IPs-for-Support-Emails

Published: 2026-05-27

Keywords: allowlist, support emails, IP Range, subnet

Document ID: https://platform-support.certain.com/hc/en-us/articles/31653607358615-Allowlist-IPs-for-Support-Emails#split1

Allowlist the following IP Address range to ensure all support emails are received.

All support emails are sent from this designated IP range.

It is recommended that this is handled by your IT team or email service provider.

This set up is necessary to prevent emails from being blocked or marked as spam.