Email Deliverability Suite vs Manual Checking

Why automated email deliverability monitoring beats manually checking SPF, DKIM, DMARC, and blacklists.

Email Deliverability Suite vs Manually Checking Your Records

You can check your SPF, DKIM, and DMARC records manually. Plenty of free tools exist. Run a query, see the results, move on.

So why pay for automated monitoring?

Because manual checking only works when you remember to do it.

The Manual Approach

Manual checking looks like this:

1

Remember to check

Set a calendar reminder, or just think about it occasionally.

2

Run the checks

Visit SPF checker, DKIM tester, DMARC validator, blacklist checker. One by one.

3

Interpret results

Figure out if everything looks right. Compare to last time (if you remember).

4

Repeat

Do this for every domain you manage. Weekly? Monthly? When you remember?

It works. Until it doesn't.

Where Manual Checking Fails

Problem 1: You Don't Check Often Enough

Be honest. How often do you actually check your email authentication?

Most people check when:

  • Setting up initially
  • Something seems wrong
  • A client or boss asks

That's not a monitoring strategy. That's hoping nothing breaks.

Email authentication can break at any time—DNS updates, expired DKIM keys, registrar changes, accidental deletions. If you're not checking regularly, you won't know until emails start bouncing.

Problem 2: Multiple Domains Multiply the Work

One domain? Manual checking takes 5 minutes.

Five domains? 25 minutes if you're thorough.

Twenty domains across different clients or business units? That's a significant time investment that you'll start skipping.

Problem 3: You Can't Check What You Don't Know Is Broken

Blacklist status changes without warning. Your IP gets listed because someone on your shared hosting did something stupid. Your domain gets flagged because of a false positive.

You won't check the blacklists unless you suspect a problem. By then, you've been listed for days or weeks.

Problem 4: No Historical Record

Manual checking gives you today's status. You don't know:

  • When the problem started
  • What changed
  • Whether it's a recurring issue
  • How long authentication was failing

That context matters for troubleshooting.

The Comparison

AspectManual CheckingAutomated Monitoring
FrequencyWhen you rememberDaily
Time investmentScales with domainsNone after setup
Catches problemsOnly when you checkWhen they happen
Alert mechanismNoneEmail alerts
Multiple domainsTediousSame effort
Historical dataNoYes
CostYour time$39/month

What Automated Monitoring Actually Does

Email Deliverability Suite checks your domains daily:

SPF validation

Verifies your SPF record exists, is valid, and hasn't changed unexpectedly.

DKIM verification

Confirms your DKIM selector is published and the key is valid.

DMARC checking

Monitors your DMARC policy and alignment settings.

MX record monitoring

Ensures your mail server configuration is correct.

Blacklist scanning

Checks major blacklists daily and alerts if you get listed.

When something changes or breaks, you get an email. No calendar reminders needed.

Stop remembering to check

Add your domains once. Get alerts when something breaks.

The Cost of Manual Checking

"Free" manual checking has hidden costs:

Time Cost

If you check weekly:

  • 5 minutes per domain × 10 domains = 50 minutes per week
  • 50 minutes × 52 weeks = 43 hours per year

What's your hourly rate?

Opportunity Cost

Time spent on manual checks is time not spent on actual work.

Risk Cost

The one week you skip checking is the week something breaks. How much does a day of emails going to spam cost your business?

$39/month is roughly $1.30/day. If monitoring saves you from one deliverability incident per year, it's paid for itself many times over.

When Manual Checking Is Fine

Manual checking works if:

  • You have one domain
  • You rarely touch DNS
  • You have a standing weekly reminder and actually follow it
  • Deliverability issues won't significantly impact your business

If all four are true, manual checking is probably fine.

When You Need Automated Monitoring

Automated monitoring makes sense if:

  • You manage multiple domains
  • Other people can change your DNS (IT, hosting providers, registrars)
  • Email deliverability affects your revenue or reputation
  • You've ever discovered an authentication problem too late
  • You don't want to think about it

The Setup Difference

Manual Checking Setup

Nothing to set up. Just remember to check.

Automated Monitoring Setup

1

Add your domains

Enter domain names. Bulk import available.

2

Configure DKIM selectors

Tell us which selectors to monitor.

3

Set alert preferences

Choose what to monitor and how to be notified.

4

Done

Monitoring runs automatically. You'll hear from us if something breaks.

Setup takes 10-15 minutes. Then you never have to think about it.

Free Tools to Check Right Now

If you're doing manual checks, use our free individual tools:

These tools are free and always will be. Use them for one-time checks.

When you're ready to stop checking manually, the suite handles ongoing monitoring.


Part of Boring Tools—boring tools for boring jobs. Let software remember so you don't have to.

Monitor everything, automatically

SPF, DKIM, DMARC, MX, and blacklist monitoring for unlimited domains. $39/month.