Yes, completely free. You also get my Email Deliverability Guide when you register. It’s a full reference on the terms, metrics and tools that decide whether you reach the inbox.

No. It’s live online training, run every month, with morning and afternoon sessions on UK time. It’s 60 minutes of teaching plus Q&A, so you can ask about your own setup. Join from anywhere.

One hour! Q&A for 10 mins if you want to stay over.

The key deliverability metrics every marketer should track: Inbox Reach, Inbox Placement Rate (IPR), Spam Placement Rate (SPR), Spam Complaint Count & Rate (SCC & SCR), and Inbox Impressions — and crucially, what each one actually tells you.

Not at all. Everything is explained in easy to understand simple ways.

Book a session you can. I don't send recordings to people who don't turn up, because they go unwatched and they can't answer a question about your specific setup. Live is where the value is!! 

This session gives you the fundamentals and shows you what to track and where to start. For the full step-by-step process — auditing, fixing and optimising — that's what the Email Deliverability Certification Programme covers, and I'll tell you more on the day.

 Whether your emails reach the inbox, rather than spam, a tab nobody checks, or nowhere at all. It’s not one metric. It’s an ongoing condition shaped by your authentication, sender reputation, data quality, sending behaviour and engagement.
Read more: A Marketer’s Simple Guide to Email Deliverability 

It’s usually a combination of things: authentication gaps (SPF, DKIM, DMARC), weak sender reputation, low engagement, poor data quality or sudden changes in volume. It’s rarely one thing, which is why finding the root cause beats guessing.

 No. Delivery rate only means the receiving server accepted your email. It can still land in spam and count as “delivered”. A 99% delivery rate with 40% landing in spam is a crisis your ESP won’t show you.
Read more: What email deliverability is and the 3 metrics that matter 

With inbox placement testing and a full audit. You send to seed lists across Gmail, Microsoft, Yahoo and corporate filters, and measure the results per provider over time. One test is a snapshot, not the full picture. Add Google Postmaster Tools for your Gmail data! Plus the other 5 steps in my Email Deliverability Audit.

As close to zero as possible, but up to around 15% can be normal. What matters is your rate per provider and how it trends over time. We go through how to read yours in the session.

Google recommends staying below 0.1%, and above 0.3% you risk significant filtering. On a small list, watch the count too: send to 1,000 people and a single complaint already puts you at 0.1%.

 No, that’s a myth. Modern filters use machine learning and engagement, not keyword lists. What matters is what your content causes: broken links, URL shorteners, image-heavy emails, poor HTML and emails nobody engages with. But they do have high risk category words, so if you have poor reputation and use high-risk category words, this could just increase the chances of going to spam. 
Read more: The Worst Deliverability Myths You Need to Know 

Not reliably. Apple Mail Privacy Protection fires opens automatically, and security tools inflate clicks. Treat opens as a signal, not proof. Inbox placement testing tells you where you land.

 Stop, diagnose, prioritise, then act. Throwing quick fixes at it without finding the root cause usually makes things worse. The fix could be in your authentication, reputation, data hygiene or sending behaviour.
Read more: How to build an email deliverability early warning system