🔧 Maintenance Tasks Checklist

Last Updated: November 6, 2025
Next Review: May 6, 2026

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📅 Every 6 Months

Security: Update Disposable Email Domains

Due: May 6, 2026

• Navigate to project directory
• Run update command:

  curl -s "https://raw.githubusercontent.com/disposable/disposable-email-domains/master/domains.json" -o src/lib/validation/disposable-domains-full.json
  

• Verify file size (should be ~1-2MB):

  ls -lh src/lib/validation/disposable-domains-full.json
  

• Test with a disposable email:
  • Try login with: test@10minutemail.com
  • Should show error: "Disposable email not allowed"
• Commit changes:

  git add src/lib/validation/disposable-domains-full.json
  git commit -m "chore: update disposable email domains list"
  git push
  

• Deploy to production
• Update "Last Updated" date above
• Set next reminder for 6 months

Time Required: 10 minutes
Priority: Medium
Impact: Blocks new spam services

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📊 Monthly Reviews

Security: Check Spam Signup Rate

Review: First Monday of each month

• Open Firestore Console
• Go to security_events collection
• Filter: eventType: 'login_failed' + reason contains 'invalid_email'
• Count blocked attempts in last 30 days
• If spam signups increasing > 50%, update domains list early

Time Required: 5 minutes
Priority: Low
Threshold: Update if >50% increase in spam

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🚨 When Issues Occur

If Users Report Signup Issues

• Check if legitimate email provider is blocked
• Review: /src/lib/validation/emailDomainValidator.ts
• Check localDomains array (line 78)
• Remove false positive if found
• Deploy fix immediately
• Document in this file

If Spam Increases Suddenly

• Check Firestore logs for patterns
• Identify new disposable service domains
• Run disposable domains update (see 6-month task above)
• Don't wait for scheduled update

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📝 Task History

Date	Task	Status	Notes
Nov 6, 2025	Initial disposable domains setup	✅ Done	10,000+ domains added
Nov 6, 2025	Added front-end validation	✅ Done	Instant feedback
May 6, 2026	Update disposable domains	🔜 Due

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🔔 Reminders

Set calendar reminders for:

• ⏰ May 1, 2026 - Update disposable email domains
• ⏰ First Monday of each month - Check spam rates
• ⏰ November 1, 2026 - Next 6-month update

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📌 Quick Commands

# Update disposable email domains
curl -s "https://raw.githubusercontent.com/disposable/disposable-email-domains/master/domains.json" -o src/lib/validation/disposable-domains-full.json

# Check file size
ls -lh src/lib/validation/disposable-domains-full.json

# Test locally
npm run dev
# Try login with: test@10minutemail.com

# Commit and push
git add src/lib/validation/disposable-domains-full.json
git commit -m "chore: update disposable email domains list"
git push

# Deploy
vercel --prod

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Note: This file is maintained by the development team. Add new recurring maintenance tasks here as they are discovered.