UK Regulatory & Awareness|8 min read
NCSC Retired Mail Check & Web Check
What 17,000 UK Organisations Should Do Now
On 31 March 2026, the NCSC switched off two tools that thousands of UK organisations had relied on for almost a decade. Mail Check and Web Check — free services that monitored email authentication and web security since 2017 — are gone. No wind-down period. No free tier. Just off.
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