Domain information

Use this service to:

  • see if your email service complies with the guidance on securing government email
  • check the level of security supported between two email domains
  • access the email whitelist to use when configuring your email service

Before you start

This service is currently in alpha. Please email contact.cts@digital.cabinet-office.gov.uk to register your interest including your:

  • name
  • organisation
  • government email address
  • role
  • contact number

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