The week that was in email, July 27

Email Industry Crisis: Microsoft Authentication Issues, TalkTalk Shutdown & Major Security Threats

URGENT UPDATES for Email Marketers & Deliverability Professionals

The email landscape is experiencing unprecedented disruption right now. In this critical industry briefing, we break down the major developments threatening your email deliverability and what you need to do immediately to protect your sender reputation.

What We Cover:

🚨 Microsoft's Authentication Enforcement Crisis - Why legitimate emails are being blocked and the DNS resolution problems causing widespread delivery failures

📧 TalkTalk Email Shutdown Alert - Thousands of UK email accounts being deleted between July-October 2025, creating massive bounce risks and spam traps

⚖️ Legal Precedents & Compliance Updates - New anti-spam lawsuits, TCPA rulings on SMS marketing, and FTC rule changes you need to know

🔐 Security Threats & Breaches - Recent phishing attacks, BEC scams, and data breaches affecting the email industry

Immediate Action Items:

✅ Increase your DNS TTLs to 3600+ seconds (86400 for DKIM keys) ✅ Audit your lists for TalkTalk domains (@talktalk.net, @tiscali.co.uk, etc.) ✅ Implement proper DMARC, SPF, and DKIM authentication ✅ Review your bounce handling and retry strategies

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