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Prolateral offers primary and backup domain (DNS) services, with servers in key geographic locations providing the best service possible.

Outmail IP addresses

Problem

What are the IP Addresses used by outMail?

Solution

IP addresses for the Outmail clusters are listed here for reference - however, the canonical list is those listed in the DNS TXT record spf.smtp-engine.com

  • 87.106.145.58
  • 87.106.169.232
  • 87.106.177.15
  • 87.106.177.231
  • 87.106.189.53
  • 89.106.178.4
  • 209.143.135.163
  • 212.227.137.1
  • 212.227.137.19
  • 217.160.92.157
  • 217.160.165.67
  • 217.160.167.133
  • 2001:8d8:968:7d00::19:7e53
  • 2001:8d8:968:9c00::87:3b06

These are subject to change without notice - and may not actually be up to date.  

For SPF use, please use the SPF record as detailed in the article on setting up SPF

 

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Disclaimer

The Origin of this information may be internal or external to Prolateral Consulting Ltd. Prolateral makes all reasonable efforts to verify this information. However, the information provided in this document is for your information only. Prolateral makes no explicit or implied claims to the validity of this information. Any trademarks referenced in this document are the property of their respective owners.