Best Transactional and Bulk Email Providers in 2026
Compare the best transactional and bulk email providers: Mailtrap, Twilio SendGrid, Amazon SES, Postmark, and Mailgun on streams, authentication, and price.
Blog
Practical writing on email, deliverability, and running a healthy newsletter — from the team building Yellaro.
Why we run our own email relay (and what it costs us)
Most newsletter platforms resell someone else's sending. We don't, and it's the hardest part of the whole product. An honest account of why we took on the deliverability work everyone else avoids, and…
How to run a GDPR-compliant newsletter (without a legal team)
A practical 2026 guide to GDPR for newsletters: lawful basis, double opt-in as consent, subscriber rights, and where your list actually lives. What you have to do, and what the right platform does for…
The cheapest way to send a newsletter in 2026
What it actually costs to send a newsletter in 2026, from free-but-hard self-hosting to per-subscriber marketing suites, and the cheapest option that doesn't make you choose between price and running…
Choosing an SMTP provider for your newsletter in 2026: Mailtrap vs SES vs Postmark vs Mailgun vs Resend
An honest 2026 look at the main SMTP providers from a newsletter sender's point of view: what each costs, which have an EU region, and why per-email pricing quietly breaks flat-rate newsletter economi…
Mailchimp alternatives with predictable, cheaper pricing
Mailchimp's per-subscriber pricing climbs fast as your list grows. Here are the alternatives worth knowing — cheaper subscriber tiers, volume-metered tools, and self-hosting — with honest numbers on w…
Cheap newsletter pricing with unlimited sending
Per-subscriber newsletter pricing gets expensive as your list grows — and often caps your sending on top. Here's how cheap subscriber-tier pricing with unlimited sending works, and what you actually p…
Self-hosted Listmonk: the part nobody mentions
Listmonk is open source, free, and looks easy to run. The first month tells you a different story. Here's what self-hosting actually involves once your newsletter has real readers.
Connect WordPress to Listmonk
How to wire your WordPress signup forms to a self-hosted or managed Listmonk — the free plugin, the setup, a security gotcha to avoid, and where to find the step-by-step guide.
Who actually sends your newsletter? (and why your deliverability isn't in your hands)
Most newsletter tools quietly resell the same handful of email backends, which means you share sending reputation with strangers. Here's why that matters and what to look for instead.
Why your emails go to spam (and how to fix it)
Your newsletter is landing in spam and nothing told you why. The technical signals that decide whether email reaches the inbox: SPF, DKIM, DMARC, sender reputation, list hygiene, and bounce handling,…
Managed Listmonk hosting compared (2026)
The managed Listmonk hosting options in 2026, and the one thing none of them include except Yellaro: email sending and deliverability.
How to migrate from Mailchimp to a self-hosted newsletter (without wrecking your deliverability)
Step by step guide to leaving Mailchimp for a self-hosted newsletter platform. List export, cleanup, domain authentication, sending warmup, and the deliverability traps that catch most migrations.