---
title: Whitelisting for Barracuda Email Gateway Defense (a.k.a Email Security Service)
description: Learn how to whitelist emails in O365 to prevent important messages from being marked as spam. Follow our simple guide to ensure trusted senders always reach your inbox.
---

[Jericho Security | Support](https://support.jerichosecurity.com)

# [Whitelisting for Barracuda Email Gateway Defense (a.k.a Email Security Service)](https://support.jerichosecurity.com/barracuda-whitelisting)

 Written by [Jericho Security Contributor](https://support.jerichosecurity.com/author/jericho-security-contributor) | October 8, 2024

### IP Address Whitelisting

Configure exempt/trusted IP addresses at the **Inbound Settings > IP Address Policies** page in Email Gateway Defense.

IP addresses to exempt:

- 50.31.156.96/27 (50.31.156.96 - 127)

- 104.245.209.192/26 (104.245.209.192 - 255)

- 50.31.205.0/24 (50.31.205.1 - 255) 
- 24.110.88.85
- 24.110.88.86

For additional details, visit: [https://campus.barracuda.com/product/emailgatewaydefense/doc/96023004/ip-analysis-inbound/?sl=AYrTrqXft3v-5m1AOi-s&so=1](https://campus.barracuda.com/product/emailgatewaydefense/doc/96023004/ip-analysis-inbound/?sl=AYrTrqXft3v-5m1AOi-s&so=1)

 

### Domain Whitelisting

Configure exempt/trusted domains at the **Inbound Settings > Sender Policies** in Email Gateway Defense. Also, set **Intent Domain Policies** to **Ignore.**

Domains to exempt:

- mailbot.jerichosecurity.com
- Please see the other domains in your campaign creator.

For additional details, visit: [https://campus.barracuda.com/product/emailgatewaydefense/doc/96023020/sender-and-recipient-analysis](https://campus.barracuda.com/product/emailgatewaydefense/doc/96023020/sender-and-recipient-analysis)

 

Additional references:

- [https://campus.barracuda.com/product/emailgatewaydefense/doc/96023003/inbound-filtering-policy/](https://campus.barracuda.com/product/emailgatewaydefense/doc/96023003/inbound-filtering-policy/)
- [https://campus.barracuda.com/product/emailgatewaydefense/doc/96023012/understanding-link-protection](https://campus.barracuda.com/product/emailgatewaydefense/doc/96023012/understanding-link-protection)
  
  
  
   

[View full post](https://support.jerichosecurity.com/barracuda-whitelisting)

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