White-List CutTime

Ensuring all of CutTime's domains are on your organization's Allowlist (the list of approved email senders) is essential so that teachers, members, and guardians receive timely notifications. This happens on the school's email servers, firewalls, and content filters.

Table of Content

Domains

IPs for Email

Domains

Please ensure your email service provider puts the following domains on the Allowlist. This ensures that notifications that are sent via CutTime are received in a timely fashion.

IPs for Email

We use Postmark for our application-based email services; feel free to read their help desk article on white listing for a complete list and current list of IP addresses to ensure the highest deliverability of our emails.


We also use HelpScout and HubSpot for support emails from the CutTime team. Their domains and IPs are below.

HelpScout

  • helpscout.net

HubSpot

  • 54.174.60.0/23
  • 143.244.80.0/20
  • 18.208.124.128/25
  • 54.174.53.128/30
  • 158.247.16.0/20
  • 54.174.59.0/24
  • 54.174.63.0/24
  • 3.93.157.0/24
  • 54.174.52.0/24
  • 139.180.17.0/24
  • 54.174.57.0/24
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