IPs and Whitelisting

Sending IP Addresses and Whitelisting

To ensure that your campaigns have the best opportunity of reaching your subscribers, you may ask their mail network administrator to whitelist the following IP addresses.

Currently we deliver email campaigns from the following IP addresses ranges:

  • 27.126.144.0/21
  • 103.28.40.0/22
  • 180.189.136.0/22
  • 184.106.86.128/28
  • 184.106.87.160/29
  • 184.106.87.168/29
  • 203.55.21.0/24
  • 204.75.142.0/24
  • 205.166.177.0/24
  • 206.72.127.0/24

The IP addresses currently listed may change in the future, and we will keep this page up to date.

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