Shared IP vs Dedicated IP: Which One Your Sending Volume Actually Needs

Senders below the volume threshold who pay for a dedicated IP often see worse deliverability than they would on a shared pool. Here is the real decision framework.

The Email Dashboard Checklist: A Quick Self-Check for Marketing Teams

Six questions across three tiers tell you whether your email dashboard is actually driving decisions. Run your own reporting through it in about ten minutes.

Migrating Your Email Platform Without Losing Your Deliverability

Meta description A switch of ESP, a rebrand, or an acquisition resets your sending reputation in the eyes of inbox providers, even with an engaged list. Here is what to plan for, and why the speci...

Birthday and Anniversary Emails: Are They Worth Building

Birthday emails generate over three times the revenue per send of standard promotions. Here is the simple flow structure that gets them right.

Short Email vs Long Email: What the Data Actually Says

The short-versus-long email debate has run for decades. Here is what actually decides which one wins for a specific send.

The Engagement Loop: A Framework for Thinking About Email Relationships

Email engagement is not one metric to chase. Here is the four-stage framework Mail Blaze uses to think about the whole relationship.

AI Subject Lines: What Actually Works and Where a Human Still Needs to Step In

AI-generated subject lines post strong open-rate numbers in 2026 testing, but a chunk of that lift is inflation, not genuine curiosity. Here is the honest picture.

Welcome Series: The Automation With the Highest Open Rate You'll Ever See

Welcome emails post open rates several times higher than standard campaigns, yet most brands still send one generic email instead of a series. Here is why that gap matters.

Mobile-First Email Design: What Changes When Most Opens Happen on a Phone

Around 60% of email opens now happen on mobile. Here is what actually changes when you design phone-first instead of shrinking a desktop layout.