SendinBlue Shared IP Range

When you send B2B messages (to business email addresses) you may encounter deliverability problems caused by the recipient company’s firewall.

To improve the deliverability of your B2B emails, we recommend that you contact the IT department of the company concerned and ask them to whitelist the IP ranges below.

185.41.28.0/22
185.107.232.0/22
94.143.16.0/21
185.24.144.0/22
153.92.224.0/19
213.32.128.0/18