Add domains and addresses to your allowlist

Adding 15Five’s IP address and domains to your allowlist may assist with which 15Five emails come into your inbox and how/if they are delivered.

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Tip

If your organization uses our Engagement feature, check out our "Add Engagement emails and domains to your allowlist" article for Engagement-specific emails, IP addresses, and URLs to add to your allowlist.


What to allowlist

A critical step to ensuring success with 15Five is making sure that 15Five emails don’t end up in your employees’ spam folders. Please consult with your IT team to add the following sending addresses and partner domains to your allowlist:

  • mail.15five.com
  • *.15five.com

If your email service requires IP-level allow listing, here are the IP Addresses that the invitations will originate from:

  • 168.245.126.93
  • 167.89.92.147
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