PristineSend Blog

Email done right.

Deliverability deep-dives, marketing tactics, and product updates from the PristineSend team.

Deliverability
Featured

SPF, DKIM, and DMARC: A no-nonsense guide for marketers

Three DNS records decide whether your emails reach inboxes or spam folders. Here's what each one does, why they matter, and how to set them up correctly.

Lucas Lefort·May 18, 2026·5 min read
Marketing

GDPR-compliant email marketing: a practical checklist

What GDPR actually requires from email marketers — consent, proof, unsubscribes, data handling — in checklist form, without the legalese.

Lucas Lefort·August 13, 2026·4 min read
Marketing

Single vs double opt-in: the honest trade-off (and what GDPR says)

Double opt-in shrinks your list and grows everything else. When each model makes sense, what the law actually requires, and why German senders don't get a choice.

Lucas Lefort·August 6, 2026·3 min read
Product Updates

Why we verify your email list for free (and why almost nobody else does)

Most platforms happily let you mail a dirty list — then charge you for the consequences. Here's what list verification actually checks, and why we include it on every plan.

Lucas Lefort·July 30, 2026·3 min read
Deliverability

0.3%: the spam complaint number that ends sender reputations

Gmail and Yahoo now enforce a hard spam-rate threshold for bulk senders. What counts as a complaint, why people really hit 'report spam', and how to stay near zero.

Lucas Lefort·July 23, 2026·3 min read
Marketing

Open tracking just became a consent problem in the EU. Here's what actually changed.

France's CNIL and Italy's Garante now treat the email open-tracking pixel like a cookie — it needs consent. What changed, what's exempt, and how to run analytics on the right side of the line.

Lucas Lefort·July 16, 2026·6 min read
Deliverability

Hard bounces vs soft bounces: the thresholds that get you blocked

Not all bounces are equal. What hard and soft bounces actually mean, the bounce rate that puts your account at risk, and how to stay far away from it.

Lucas Lefort·July 9, 2026·3 min read
Product Updates

AI agents are sending email now. Here's how to let them — safely.

Agents can write, target, and send campaigns end-to-end. That's powerful and dangerous. The rules for agent-driven email that won't wreck your sender reputation.

Lucas Lefort·July 3, 2026·3 min read
Deliverability

How to warm up a new sending domain (without torching your reputation)

New domains get throttled by default. Here's the week-by-week ramp that builds sender reputation — and the mistakes that force you to start over.

Lucas Lefort·July 3, 2026·4 min read
Marketing

10 subject line patterns that actually get opened in 2026

Inbox attention spans are shorter than ever. Here are 10 subject line patterns proven to lift open rates — with real examples and the psychology behind why they work.

Lucas Lefort·May 25, 2026·5 min read
Marketing

Per-email vs per-contact pricing: which model actually saves you money?

Mailchimp charges per contact. PristineSend charges per email. Here's the math that shows which model wins for different list sizes and send frequencies.

Lucas Lefort·May 22, 2026·5 min read
Product Updates

Welcome to PristineSend

We're building the email platform for marketers who care about inbox placement — and today we're opening the doors.

Lucas Lefort·May 16, 2026·1 min read
Deliverability

Why Deliverability Matters More Than Open Rates

Open rates get all the attention. But your email's first job is to reach the inbox — everything else is downstream of that.

Lucas Lefort·May 12, 2026·2 min read
Deliverability

Our 'No Bad Neighbors' Policy Explained

Why we're selective about who we let onto PristineSend — and why that's good for you, not just for us.

Lucas Lefort·May 8, 2026·2 min read