From the Beacon team

Notes on email deliverability, domain health, and keeping your sends out of spam.

Annual Domain Health Audit

August 30, 2026

Run an annual domain-health audit covering ownership, email authentication, SSL, uptime, and renewal risk.

Website Launch Checklist

August 30, 2026

Use this launch checklist to validate DNS, email, SSL, critical forms, and monitoring before sending traffic to a new site.

Domain Health Checklist

August 30, 2026

A repeatable domain-health checklist covering authentication, SSL, uptime, expiry, and critical-page changes.

Website Uptime Monitoring

August 30, 2026

Compare uptime monitors by the checks and alerts that help a small business respond quickly without unnecessary complexity.

Domain Monitoring Tools

August 30, 2026

How to compare domain monitoring tools across email authentication, SSL, expiry, uptime, and page-change alerts.

DMARC Monitoring Tools

August 30, 2026

The DMARC-monitoring features that matter: report clarity, sender discovery, alerting, and workable policy decisions.

How to Evaluate a DMARC Checker

August 30, 2026

What to look for in a DMARC checker: record visibility, policy context, alignment clues, and clear next steps.

SPF for Multiple Email Providers

August 30, 2026

How to authorize multiple email providers in SPF without creating duplicate records or lookup-limit failures.

Microsoft Bulk Sender Requirements

August 30, 2026

Outlook.com’s 5,000-per-day threshold, May 2025 authentication enforcement, SPF/DKIM/DMARC rules, and unsubscribe guidance.

Yahoo Bulk Sender Requirements

August 30, 2026

Yahoo’s February 2024 sender rules: authentication, DMARC alignment, unsubscribe handling, and the 0.3% complaint ceiling.

Google Bulk Sender Requirements

August 30, 2026

Google’s 5,000-message daily bulk threshold, 0.3% spam ceiling, authentication rules, and one-click unsubscribe requirements.

ARC in Email Authentication

August 30, 2026

A practical explanation of ARC and why small businesses should prioritize SPF, DKIM, and DMARC first.

Domain Blacklist Monitoring

August 30, 2026

Understand domain blacklist monitoring, the useful warning signs it provides, and why it is not a complete deliverability verdict.

Email Deliverability Alerts

August 30, 2026

Know which email deliverability alerts require immediate action and which should be investigated before changing DNS.

Website Change Monitoring

August 30, 2026

Learn how website change monitoring works and which business pages deserve an alert when their content changes.

Domain Expiration Monitoring

August 30, 2026

Learn why domain expiry monitoring is essential and how to protect a business domain before the renewal date sneaks up.

SSL Certificate Monitoring

August 30, 2026

Why SSL certificate monitoring matters, what to alert on, and how it prevents a trust-breaking browser warning.

DMARC Monitoring: What to Watch

August 30, 2026

A practical guide to monitoring DMARC records and recognizing changes that may affect spoofing protection or delivery.

DMARC Forensic Reports

August 30, 2026

Understand DMARC forensic reports, their privacy limitations, and why aggregate reports are usually the better starting point.

DKIM Alignment Explained

August 30, 2026

Learn what DKIM alignment means for DMARC and why a valid signature alone may not protect your From address.

Email Deliverability Monitoring

August 28, 2026

Learn which email deliverability signals small businesses should watch and how monitoring helps catch configuration drift early.

Email Authentication Failed

August 28, 2026

Email authentication failed? Learn what SPF, DKIM, or DMARC failures mean and how to investigate safely.

Why Do Business Emails Bounce?

August 28, 2026

Understand hard and soft email bounces, common delivery failures, and the first checks to make when business email will not deliver.

Email Authentication Explained

August 28, 2026

A beginner-friendly guide to email authentication: why SPF, DKIM, and DMARC matter for delivery and spoofing protection.

SPF Has Too Many DNS Lookups

August 28, 2026

Understand the SPF 10-DNS-lookup limit, why it causes failures, and how to diagnose a record with too many includes.

Can Someone Spoof Your Domain?

August 28, 2026

Learn how domain spoofing works, what SPF, DKIM, and DMARC do, and the first checks a small business should make.

How to Check Your DMARC Record

August 28, 2026

Check whether your domain has a DMARC record, understand p=none, quarantine, and reject, and know what to do next.

How to Check an SPF Record

August 27, 2026

Learn how to check an SPF record, spot duplicate records and DNS lookup-limit failures, and protect your business email from spam.