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.
Tools
Read the report your inbox provider sends you
Upload a DMARC aggregate report and get plain English back — who sends as your domain, who passes, and what your policy actually means. Runs entirely in your browser.
Accepts .xml, .xml.gz, or .zip files from Gmail, Outlook, Yahoo, Proofpoint, or similar providers.
Parsing XML...
Runs entirely in your browser — nothing is sent or stored. Aggregate reports are sampled, not exhaustive, and reporting practices vary by provider — a clean report reduces risk, it does not eliminate it. Provider reporting practices vary.
Your policy is set to monitoring?
DMARC reports tell you who is sending as your domain. If you're not acting on what they say, that's the gap between monitoring and enforcement.
More tools
Free, browser-based, nothing to sign up for.
Email authentication checker
Check any domain's SPF, DKIM and DMARC — records shown, interpreted in plain English.
Preflight checklist
Ten checks to run before every campaign send — verified in minutes, before your sender reputation pays.
Deliverability ROI calculator
What is better email performance worth to you? Honest numbers out, every assumption shown.
Mautic vs ESP cost comparison
Managed Mautic against typical ESP pricing — find the subscriber count where the crossover happens.
From the blog
View all posts »Straightforward guides and updates on authentication, deliverability and overall strategy.
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.