KaiMail
Developer-first custom domain email forwarding with webhooks and SMTP
Freemium - Free tier available; paid plans for higher volume/features. No credit card required to start (see Pricing page for details).
About KaiMail
KaiMail provides developer-focused custom domain email forwarding and sending. Point your MX records to KaiMail to receive emails at any address on your domain, forwarded to your existing inbox or delivered as signed JSON webhooks. Send mail via authenticated SMTP with per-domain DKIM signing and maintain deliverability with ARC/DKIM signing. Simple three-step setup and tools for building email-powered apps.
Key Features
- Custom domain email forwarding (point MX records)
- Signed webhook delivery (receive emails as JSON POSTs)
- Authenticated SMTP sending with per-domain DKIM
- ARC/DKIM signing to maintain deliverability
- Simple setup and dashboard for domain management
Who is this for?
Developers, startups, and small teams who need custom-domain email forwarding and programmatic email delivery
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Pricing
FreemiumFree tier available; paid plans for higher volume/features. No credit card required to start (see Pricing page for details).
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