Whitelist MPS Prewise mail servers (Microsoft Exchange Online)

If you want to send emails from Gimlet LMS and Trilliant with your own domain, you need to add MPS Prewise's mail servers (SMTP) to Exchange online whitelist. MPS Prewise uses three servers for email sending: 185.87.245.7, 185.87.245.8 and 185.87.245.9.

1. Go to Microsoft Defender 365 portal and to anti-spam settings https://security.microsoft.com/antispam
2. Click Connection filter profile (Default) and click Edit policy connection filter policy.
3. Add the following IP addresses to IP Allow list: 185.87.245.7, 185.87.245.8 and 185.87.245.9. Please note that you  need to add those one at the time.
4. Save changes.