SaneBox ◆
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Free·from $7/mo
About Mailook
Mailook is a free email deliverability checker that helps you identify and fix issues causing your emails to land in spam. It analyzes your IP, domain, and email setup against over 120 criteria to give you a deliverability score and actionable tips.
What it does
Mailook checks if your IP and domain are blacklisted, verifies SPF/DKIM/DMARC records, and soon will test if your emails land in spam for major providers like Gmail and Outlook. It generates detailed reports with tutorials to fix issues, and you can share reports publicly.
Who it's for
It's ideal for marketers, outbound sales teams, agency owners, and anyone sending bulk emails who wants to improve inbox placement. It is not for casual personal email users—it's designed for senders who need to maintain sender reputation.
Use cases
- A marketing manager checking why newsletters hit spam
- An outbound agency fixing deliverability for client campaigns
- A startup verifying email authentication before launching a product email
Key features
- Domain & IP blacklist check — Scans 100+ blacklists and guides you to whitelist
- SPF, DKIM & DMARC inspection — Ensures your domain is properly authenticated
- Inbox spam check — Coming soon: test if your email lands in spam for Gmail, Outlook, etc.
- Comprehensive deliverability audit — 120+ criteria score with actionable fixes and tutorials
- Public report sharing — Generate links to share reports with clients or teammates
- Exclusive partner perks — Discounts on email warm-up, DNS tools, and list verification services
- Dashboard & history — Track all past reports and monitor deliverability progress over time
Mailook Pricing
Mailook pricing: Free · 50 tests/month. Billing model: Freemium.
Free Plan
100% free, forever. Includes 50 deliverability tests per month, full blacklist scan, SPF/DKIM/DMARC check, report sharing, and dashboard access. If you need more tests, contact Mailook via live chat to expand your limits.
Frequently asked questions
Is Mailook really free?
Yes, Mailook is 100% free. There is no paid plan. It offers 50 deliverability tests per month per user, with the option to request more via live chat.
How does Mailook work?
You send a test email to a dedicated Mailook address. Mailook analyzes it against 120+ criteria, checks your IP and domain blacklists, and returns a deliverability score with issues and tutorials to fix them.
How many tests can I run per month?
The free plan includes 50 tests per month. If you need more, you can contact Mailook through their live chat to increase your limit.
What are the best Mailook alternatives?
Popular alternatives include Mail Tester, GlockApps, and MXToolbox. However, Mailook is unique because it is completely free and includes 120+ checkpoints with actionable tutorials.
Who should use Mailook?
Mailook is best for marketers, outbound sales teams, email senders, and agencies who need to ensure their emails reach the inbox. It's not designed for personal email users.
Can Mailook fix my deliverability issues?
Mailook provides actionable tips and tutorials to fix each issue. For example, it helps you whitelist IPs, set up SPF/DKIM/DMARC, and improve your deliverability score. One user reported increasing delivery rate from 74% to 98%.
