UK email deliverability specialists
Your emails are being sent. The question is, are they reaching the inbox?
Digistrat is a UK-based email deliverability consultant. When your emails land in spam, open rates fall, sign-ups stall and revenue you’ve already earned disappears without an error message. We find the cause and fix it.
- Senior specialist, formerly at SendGrid and Twilio
- For teams whose revenue depends on email arriving
Trusted by teams whose revenue depends on email arriving
The problem
Most email problems are invisible until they become expensive.
Click-through rates dropping
A slow decline over several weeks with no change to content or audience. It can be a sign that fewer emails are reaching the inbox.
Sign-up emails missing
New users never receive the verification or welcome email, so they never complete sign-up.
Email-attributed revenue dropping
Send volumes look steady, but the revenue credited to email keeps slipping. Inbox placement is one possible cause worth ruling out.
Spam for some, not others
Gmail is fine and Outlook isn’t, or customers say they never got an email you can see was sent.
Recognise one of these? They have other possible causes too, so it is worth finding out whether deliverability is involved. The free health check gives you a quick technical baseline.
What the free health check coversWhat makes Digistrat different
We investigate beyond the standard technical checks.
Authentication and blocklist checks matter, but they rarely explain the whole problem. We also look at how your sending has changed over time, which is where costly issues often start.
Technical setup
Authentication, infrastructure, domain and IP reputation, blocklist status
Where Digistrat works
Where the costly problems usually sit, and where most reviews stop short
Sending strategy
List quality, sign-up practices, cadence, segmentation, lifecycle design
What we look at that a standard audit doesn’t
What most investigations cover
- Authentication records (SPF, DKIM, DMARC)
- Blocklist status
- IP reputation
- Basic configuration checks
What a Digistrat full investigation covers, in addition
- How a sending programme has grown over time
- How lifecycle triggers stack up across real user journeys, sometimes producing far more email than anyone intended
- Whether segmentation still reflects who is actually engaging rather than who was engaging eighteen months ago
- Whether a recent volume shift has created reputation risk that has not yet shown up in the numbers
- Sending behaviour, cadence and volume patterns over time
The second column is where the Deliverability Review and Fix spends much of its time, and it is the part an automated check cannot see.
How it works
Review. Fix. Monitor.
One clear path from something being wrong to a programme that stays healthy.
Review
We check authentication and infrastructure, then the part most audits skip: how your triggers, segments and sending volume have changed. You get a report and agreed plan within three to five business days.
What we investigateFix
We make the changes with your team over 45 days, through a weekly working session, so the fix gets done rather than documented.
How implementation worksMonitor
Optional. We watch reputation and placement continuously and catch problems before they show in your numbers.
Explore Ongoing MonitoringReview and Fix is one engagement with one invoice.
Main engagement
Deliverability Review and Fix
from£3,950+ VAT
Up to three sending domains or platforms, with 45 days of implementation included. Scope and price confirmed before we start.
- A full technical and behavioural investigation
- A written report and agreed plan within three to five business days of access
- Quick fixes made with your team across 45 days, through a weekly working session
- A seed test at the start and the end, so you can see what changed
What clients say
“James brought our domain reputation into a genuinely healthy place, with a direct impact on our open rates and click-to-open rates. Every step was transparent and proving ROI was straightforward. Highly recommended.”
“I would recommend Digistrat to anyone dealing with deliverability issues or looking to upskill their team. James went above and beyond to make sure I understood every finding and what steps were needed to fix them.”
“The health check report was well-received by our SLT. James was very knowledgeable and the whole process ran smoothly. Would recommend.”
More from clients
“Finally got clarity on what was affecting inbox placement. Invaluable support throughout.”
“Charming and quite brilliant. Resolved our email issues in no time.”
“We discovered our emails were landing in spam for a large portion of users. Fixed within weeks.”
“Digistrat helped boost our email deliverability performance and results. They provide regular technical support and advice, and are massively helpful and very knowledgeable. Highly recommend.”
Common questions
Think something might be wrong?
How do I know if something is wrong with my email deliverability?
Deliverability problems don’t come with an error message or a warning from your platform. Open rates drop quietly over several weeks. New users fail to finish sign-up because the verification email never arrived. Customers ring to say an invoice went somewhere other than their inbox. By the time any of this shows in the numbers, the problem has usually been building for months.
Other signs worth checking:
- Open rates that have dropped without explanation
- Transactional emails landing in spam for some recipients but not others
- A recent platform or ESP migration that quietly broke something nobody has noticed yet
- An email programme you have recently inherited, with no record of the decisions made before you arrived or what they might be costing you
- Customers reporting they are not receiving emails you can see were sent
Why are my emails going to spam?
Usually not because of the subject line. The cause tends to be authentication, sender reputation, list quality, or a sending programme that has drifted over time. Inbox providers judge who is sending as much as what was sent, which is why rewriting the copy rarely moves an email out of spam.
What does the free health check show, and what does it miss?
You send one email from your platform, and the tool scores your authentication, reputation signals, spam-filter results and compliance headers. Anything that fails comes with a plain explanation of what it means.
It can’t see how your list has aged, how lifecycle triggers collide across real customer journeys, or whether one sending stream is dragging down another’s reputation. That is what the Deliverability Review and Fix looks at.
UK specialist
Built specifically for UK and European senders and the regulatory context they operate in.
Senior expertise
From inside major ESPs, with no junior team working in the background.
Commercial focus
Every engagement is grounded in what poor deliverability is actually costing you commercially, not just what the technical audit shows.
Direct access
No account managers and no intermediaries, just direct access to your specialist from the first call.
Next step
Find out where your emails actually stand.
Talk it through with a deliverability consultant for 15 minutes, or run the automated check for a quick read on your authentication, reputation signals and spam-filter results.