iyloo blog
Email insights worth reading.
Guides, playbooks, and case studies on email marketing, automation, and deliverability.
Email StrategyMar 28, 2026 · 5 min read
7 welcome email best practices that actually increase retention
Your welcome email is the most opened email you'll ever send. Here's how to make it count — without writing a dissertation.
Read article →Copywriting8 min read
The 2026 subject line guide: what works, what's dead, what's next
AI-generated subject lines are everywhere. We tested 1,200 campaigns to find what still cuts through the noise.
Product Updates6 min read
Your transactional emails are leaving money on the table
Order confirmations get 4× the open rate of marketing emails. Here's how to turn them into a revenue channel.
Automation7 min read
The re-engagement playbook: win back churned subscribers in 3 emails
The exact 3-email sequence we've seen recover 18% of lapsed subscribers — including the subject lines.
Analytics4 min read
Why your newsletter open rate dropped — and how to fix it in a week
Apple MPP changed everything. Here's the adjusted methodology we recommend for measuring real engagement.
Email Strategy9 min read
Small list, big revenue: the boutique email strategy that outperforms scale
One of our customers generates $40k/month from a list of 1,200. Here's exactly how they do it.