Field notes · ~1 post / week

Writing about sending, deliverability, and the rules providers actually enforce.

Practical guides, post-mortems from real sends, and plain-English explanations of why your list quality is doing what it is doing. No fluff, no AI slop, no gated PDFs — just our working notes.

2026

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What Is Email Deliverability and How Does List Cleaning Affect It?

Better list hygiene improves more than bounce rate. It strengthens the whole feedback loop around inbox placement.

deliverabilitylist-cleaningreputation

How Email Providers Handle Inactive Accounts

Why old addresses become risky even when they once looked perfectly valid.

deliverabilitylist-decayemail-marketing

Email List Cleaning for Political Campaigns and Advocacy Groups

Why campaigns should review list quality before high-volume outreach windows.

list-cleaningpolitical-campaignsadvocacy

How to Prevent Fake Signups on Your Website

Prevention works best when you combine a few lightweight defenses instead of relying on one fix.

signup-qualityformsdeliverability

Email List Cleaning Checklist: Everything to Check Before You Hit Send

A short checklist before send day prevents a lot of the problems that take much longer to unwind later.

checklistpre-sendlist-cleaning

Email List Decay: Why Your List Gets Worse Over Time (and What to Do About It)

List decay is normal. Ignoring it is what turns normal decay into a deliverability problem.

list-cleaningdeliverabilitylist-decay

How to Reduce Your Email Bounce Rate: 7 Things That Actually Work

Seven practical fixes for high bounce rates, starting with the list itself.

bounce-ratedeliverabilitylist-cleaning

How to Migrate Email Lists Between ESPs Without Losing Deliverability

ESP migration is one of the best moments to leave weak contacts behind instead of carrying them into the next system.

esp-migrationlist-cleaningdeliverability

What Is a Free Email Provider and Why It Matters for Your List

Free-provider ratio is sometimes useful as a lens on list composition, even if it is not a quality score by itself.

audience-analysisemail-domainslist-quality