Knowledgebase: outmail
Outmail IP addresses

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

  • 209.143.135.163
  • 89.106.178.4
  • 87.106.189.53
  • 87.106.145.58
  • 212.227.20.70
  • 217.160.92.157
  • 212.227.86.52
  • 212.227.20.69
  • 212.227.22.199
  • 212.227.22.82

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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