Accepting emails coming only from Hosted Email Security (HES) servers

Summary

Identify IP addresses that you can use to accept emails coming only from HES servers.

Details

For new customers to receive emails coming only from HES servers, configure the firewall to accept emails only from the following IP addresses:

For EMEA Site:
- 52.48.127.192/26
- 52.58.62.192/26
- 52.58.63.0/25
For All Other Regions:
- 54.86.63.64/26
- 54.219.188.0/26
- 54.219.191.0/25
Additionally, if the customer’s firewall, MTA, or mail server is configured to check any IP Reputation / RBL service provider, the same set of IP blocks above must be added to the IP Reputation approved list. Another option is to disable the IP Reputation checking on the firewall, MTA, or mail server and let HES handle this task.

Should you need assistance regarding your firewall, contact your network administrator.

Rating:

Category:

Configure

Solution Id:

1055066

Feedback

Did this article help you?

Thank you for your feedback!

What was the problem with this article?

The image(s) in the article did not display properly.

The article did not provide detailed procedure.

The article is hard to understand and follow.

The video did not play properly.

The article did not resolve my issue.

Others. Please specify.

To help us improve the quality of this article, please leave your email here so we can clarify further your feedback, if neccessary:

We will not send you spam or share your email address.

*This form is automated system. General questions, technical, sales, and product-related issues submitted through this form will not be answered.

If you need additional help, you may try to contact the support team. Contact Support

Thanks for voting.

To help us improve the quality of this article, please leave your email here so we can clarify further your feedback, if neccessary:

We will not send you spam or share your email address.

*This form is automated system. General questions, technical, sales, and product-related issues submitted through this form will not be answered.