Bounce Types Explained: Hard vs Soft, and What They Actually Cost You
A bounced email looks like one lost send. It isn't. Hard vs soft bounces explained in plain English — and why your sender reputation pays for every one of them.
The Blog
Practical email deliverability writing from twenty years behind the inbox
The DMARC Report Reading Checklist: What to Look At First
Aggregate reports arrive as unreadable XML. This is the reading order — which fields matter, which to ignore, and what each finding means for your next move.
The IP Warm-Up Playbook: How to Start Sending Without Burning Your Sender Reputation
New sending infrastructure has no reputation — which receivers treat as suspicious. This is the staged process for building reputation deliberately, and the mistakes that burn it in week one.
List Hygiene for Small Businesses: Why Dead Addresses Are Worse Than No List at All
Bigger list, more sends — that used to be the whole logic of email marketing. It no longer works like that. How to prune a list, when to do it, and why keeping dead addresses hurts you.
The SPF Generator Walkthrough: Build Your Record One Answer at a Time
A guided tour of the SPF record generator — how the questions map to senders, why the lookup counter matters, and what to do with the record once it is built.
What a Deliverability Audit Actually Contains: Scope, Timeline, Deliverable
A deliverability audit is not a report nobody reads. It is a diagnosis of where your email breaks, what it costs you, and how to fix it. Here is exactly what the work contains.
Why Small Businesses Get Spoofed: Business Email Compromise in Plain English
Scammers do not need to break into your systems to steal from your customers and suppliers. They can send email as you instead. Here is how spoofing works and how DMARC shuts it down.
DKIM Selectors, Keys and Rotation: Managing What Most Set Up Once and Forget
How DKIM selectors work, why the same record under different selectors behaves differently, and what key rotation actually involves.
Email that earns its place in the inbox.
Practical writing on authentication, deliverability and the systems behind both — from twenty years of fixing the same problems.