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https://community.mimecast.com/s/article/email-security-cloud-gateway-data-centers-and-urls
Email Security Cloud Gateway – Data Centers & URLs
Mar 11, 2023•Knowledge
Mimecast operates in multiple regions, each with its own set of IP addresses, network ranges, and URLs for Mimecast applications, Mimecast Services, and Mimecast APIs. Your account must use the correct details to ensure users are directed to the correct regional data centers.
| Note: | Your region may not be where you are physically located. It is where your data is located. For example, a company with European offices may host its data in North America. |
To prevent disruption to your service, it’s important to ensure that:
- You allow connections to the appropriate ports from your region’s entire Mimecast IP Ranges.
- They are mapped through to the correct destination on your network.
When a user enters their email address into the Administration Console or an API client (Mimecast for Outlook, Mimecast for Mac, Mimecast Mobile), the global resource is used to determine where the user’s parent Mimecast account is hosted and provides a 302 redirect to the correct location. For redundancy, these endpoints are available in all Mimecast data centers.
Consequently, it’s possible that you may observe outbound HTTPS traffic from your network to an IP address outside of your Mimecast region. To prevent disruption to your service, ensure outbound HTTPS connections are allowed to these locations. These requests are for authentication only, no email is transmitted using this method.
The sections below detail the Mimecast service network ranges. These details can be used to ensure that the organization’s infrastructure accepts connections to and from the Mimecast service. If you have issues logging onto a URL, use one of the supported browsers before contacting Mimecast Support. Read the Mimecast Browser Support Matrix page for further details.
Contact Adam.Myers@telesourceinc.com with questions and or with needs you have to better secure your email currently hosted on: Microsft Azure, Office 365, GoDaddy, AWS, Google Cloud, Fortinet, Unit 42 or Proofpoint to name a few.