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Automating email header analysis: Blue Lantern Security vs. MxToolbox

If you work in a SOC, you've almost certainly had MxToolbox open in a browser tab. It's a reliable utility for checking email deliverability, validating domain security configurations like SPF, DKIM, and DMARC, and analyzing email headers when a suspicious message lands in your queue. For one-off investigations, it gets the job done.

But modern security teams don't run on one-off investigations. They run on automation — and that's where MxToolbox runs into a wall.

The automation gap

MxToolbox currently doesn't offer API access to its header analysis. That means analysts who want to incorporate header checks into their SOAR playbooks or AI-assisted workflows have to do it manually: open a browser, paste the headers, read the output, close the tab, repeat. At scale, that friction adds up fast and pulls your team away from higher-value work.

If your automation suite can't call it, it's a bottleneck.

Header analysis built for automation

Blue Lantern Security's Email Analyzer provides the same kind of header validation and security checks you'd run in MxToolbox, but it's designed from the ground up to plug into automated workflows. Whether you're building a SOAR playbook, enriching alerts programmatically, or giving your AI agents the ability to triage phishing emails, our API gives you full access without the manual step in between.

Beyond headers, the Email Analyzer surfaces a broader picture of email risk, helping analysts quickly assess whether a message is a threat, not just whether its headers are technically well-formed.

Built to scale with your team

Security demands don't stay constant, and neither should your tooling costs. Blue Lantern Security runs on a pay-per-use model, so you're not locked into a large annual contract to access API functionality. As your SOC grows — or as your automation handles more volume, your costs scale with actual usage, not with a seat count or tier negotiated months in advance.

Ready to close the automation gap? Explore the Email Analyzer or reach out to the Blue Lantern team to see how it fits into your existing stack.