Write and send
Deliverability
Your email goes out from your own domain, and Kōlea keeps an eye on how it's doing.
What it is
Deliverability is the boring part of email that decides whether anything else matters. If your mail lands in spam, the best newsletter in the world doesn't get read.
Kōlea sends from your own domain, walks you through the DNS, stops sending to addresses that bounce or complain, and keeps an eye on your list so you hear about problems before an inbox provider does.
Your own domain, ten minutes of DNS
Add your domain and you get the records to copy and paste, with steps for your DNS host. Kōlea checks on its own as you go and tells you when it's verified.
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DKIM, SPF, an ownership record, and a recommended DMARC, each with a copy button, so you're not hand-typing a 200-character key.
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It never replaces your existing records, if you already have SPF or DMARC, it tells you exactly what to add and leaves yours alone.
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One-click setup for Cloudflare, and recognised steps for a dozen other DNS hosts.
02 Deliverability
Bad addresses stop on their own
When an address hard-bounces or someone marks you as spam, Kōlea stops sending to them straight away. List health watches growth, engagement, churn, and delivery over the last 30 days.
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Automatic suppression on bounces and complaints, so you're never the sender who keeps mailing a dead address. That's what gets domains blocked.
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A plain verdict for each part of your list, Healthy, Watch, or Act now, with one line of advice, like "Keep the signup form where it is."
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A warning before anything gets paused, marketing mail pauses at a 4% bounce rate or a 0.08% complaint rate, and list health tells you when you're getting near.
The short version
- Send from your own domain. We give you the DNS records to copy and paste.
- If an address bounces or someone marks you as spam, Kōlea stops sending to them.
- List health shows you problems early, before an email provider notices them.
Try it on your own list
Free for your first 500 subscribers, no credit card needed. We'll help you move your list over.