Your emails aren't reaching anyone.
Your domain is being hijacked.
We fix both.
inbox.consulting — Email security and deliverability for businesses that can't afford to get it wrong. SPF, DKIM, DMARC, Microsoft 365 hardening and cold email infrastructure.
✓ DMARC policy: enforced
✓ SPF alignment: pass
✓ DKIM signature: valid
What we fix
Every email problem has a root cause. We find it, fix it, and make sure it stays fixed.
Email Deliverability
Your emails should reach the inbox, every time. We audit your sending infrastructure and fix what's blocking delivery — SPF, DKIM, DMARC, blacklists, sender reputation. No more guessing why emails disappear.
✗ Blacklist detected: spamhaus.org
✗ SPF record: too many lookups
✓ Remediation applied
✓ Inbox placement: 98%
Email Security
Stop spoofing, phishing and impersonation. We implement the full authentication stack to protect your domain and your customers from fraudulent emails sent in your name.
Microsoft 365 & Exchange
Deeper than the defaults. Tenant hardening, advanced threat protection, email routing and hybrid configurations — enterprise-grade setup without the enterprise price tag.
Cold Email Infrastructure
Warming domains, mailbox setup, sending limits, sequence strategy and deliverability monitoring for outbound campaigns that actually reach the inbox.
Managed Protection
Ongoing DMARC reporting, reputation monitoring and rapid response. Stay protected without having to think about it.
How it works
Three steps from broken to bulletproof.
Diagnose
We audit your full email infrastructure — authentication records, sending reputation, Microsoft 365 configuration, blacklist status. You get a clear picture of exactly what's broken and why.
Fix
We implement the fixes. SPF, DKIM, DMARC, MTA-STS, M365 hardening. Everything documented. No black boxes. You always know exactly what was changed and why.
Protect
Ongoing monitoring and reporting so problems get caught before they become crises. Optional retainer for businesses that want continuous coverage without the overhead.
Results that speak for themselves
From enterprise aerospace to financial services — real problems fixed, documented, and hardened.
"Domain impersonation attempts dropped over 90% within two weeks. Full DMARC enforcement achieved across all sending sources with zero disruption to legitimate mail flow."
"SPF and DKIM were misconfigured across multiple sending domains and deliverability was tanking. Fixed, documented, and hardened in a single engagement with clear handover documentation."
"Our M365 tenant had been running on default settings for years. The audit found 14 critical misconfigurations across Exchange Online and Entra ID. All remediated with full documentation handed back to our internal team."
Frequently Asked Questions
Everything you need to know about email security and deliverability.
Why are my emails going to spam?
Most spam issues come down to missing or misconfigured authentication records — SPF, DKIM, and DMARC. Other causes include poor sender reputation, blacklisted IPs, or sending from a domain with no email history. A proper audit identifies the exact cause within hours.
What is DMARC and do I need it?
DMARC is an email authentication protocol that tells receiving mail servers what to do with emails that fail SPF or DKIM checks. Without it your domain can be freely spoofed by anyone sending phishing or fraud emails in your name. Yes — every business that sends email needs DMARC.
How long does it take to fix email deliverability?
Most deliverability issues are fixed within 24-72 hours for DNS-level changes. Sender reputation recovery can take 2-4 weeks depending on the severity. We give you a clear timeline after the initial audit.
Do you work with Microsoft 365 and Exchange Online?
Yes — Microsoft 365 and Exchange Online are our primary specialisation. We handle everything from basic SPF/DKIM setup to full tenant hardening, hybrid configurations, and Entra ID security.
What happens during a free audit call?
We review your current DNS records, check your domain against major blacklists, assess your DMARC policy status, and identify the top three issues affecting your deliverability or security. You leave with a clear picture of exactly what needs fixing — no obligation to proceed.
Is your email infrastructure actually secure?
Most businesses don't know until something goes wrong.
20 minutes. No preparation needed. We'll review your DNS records, check your domain against major blacklists, and tell you exactly where you stand — no jargon, no obligation.
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