ESPs
MailKite
Application email with signed inbound webhooks and an outbound SDK. Start with a verified application domain, then choose sending or receiving.
Start with the first guide, then choose a sending, receiving, or feedback task. Each walkthrough identifies permissions, operational checks, and the boundary between the service and MailKite. Refer to the official MailKite documentation for current platform requirements.
Explore the guides
Verify an application domain in MailKite
Separate application mail from employee mail, verify the domain, and create a scoped sending or receiving connection.
Send application email with the MailKite SDK
Send one approved message through the MailKite server SDK and record acceptance separately from delivery.
Receive MailKite email as signed JSON
Configure an exact-address receiving route, verify its signature with the SDK, and acknowledge only durable work.