Blog - One Two Three Send

How much money does your newsletter lose in spam?

Spam folder placement isn’t a delivery problem. It’s a revenue problem with a deliverability symptom.

If your email needs three explanations before the first paragraph, your template is doing the writing’s job.

The conventional advice is to suppress people who don’t open. The math says the conventional advice is wrong.

Most senders obsess over subject lines and ignore the field that actually determines whether the email gets opened: the from name.

Most signup forms promise one thing and deliver another. Here’s how to fix the gap between what you advertise and what you actually send.

Most newsletter writers still think in broadcast terms. Here’s why that instinct is killing engagement and what to do instead.

Most newsletter operators don’t realize how much data their ESP collects—or who else sees it. A practical look at platform-level tracking.

When readers forward your newsletter, it sounds like free growth. But it’s quietly undermining your business model and reader experience.

The invisible configuration choice that’s telling subscribers you don’t actually want to hear from them—and what to use instead.

Most editorial calendars create busywork, not clarity. Here’s the framework that helps you decide what to write—and when to hit send.