Why Domain Warming Matters for Email Deliverability Success


If you're launching a new domain and plan to send emails at scale, you can't just dive in and start sending a bunch of messages. At least, not if you actually want them to land in the inbox. Domain warming is a key step to earning trust with inbox providers and making sure your emails get delivered the right way.

When a brand-new domain suddenly starts sending a lot of emails, inbox providers like Yahoo, Gmail and Outlook get suspicious. They're trying to protect their users from spam, so if they see something that feels off -- like a sudden spike in volume -- they're quick to slow you down, route your messages to the spam folder, or block you altogether.

It's a lot like building credit. At first, nobody knows if they can trust you, so you have to start small and prove you're reliable. Guilty, until proven innocent. Warming up your domain slowly, and focusing on positive engagement like opens and clicks, is what shows inbox providers that you're worthy of inbox placement.

The team at Resend recently shared a great behind-the-scenes look at how they warmed up a brand-new domain for one of their product launches. They walk through their real-world approach and offer helpful tips anyone can follow. Read it all here.

Who are they? Resend is an ESP for sending transactional and marketing emails. And the creator of new.email, a way to build email templates using natural language. They're also the makers of React Email, a way to create email templates with React.

[ H/T: Brian Kerr ]
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