API for Emails
Send emails using a simple API. Supports HTML & plain text emails, attachments, custom
headers, and more.
...and Everything Else
Manage domains, suppressions, and more using the API. Keys management, scopes & permissions,
and idempotency are included.
Webhooks for Events
Receive notifications for email events like accepted, bounced, suppression added, and more.
Bounce & Complaint Handling
Hyvor Relay automatically handles bounces and complaints.
Email Logs
Detailed logs of sent emails including status, headers, SMTP conversations, and more. 30
days of retention.
Open-Source
Hyvor Relay is open-source and licensed under AGPL-3.0. It is built for easy self-hosting.
Health Checks
Monitor the health of your installation, IPs, and domains with built-in health checks.
Scalable
Desined to scale across multiple servers using Docker Swarm. Zero downtime scaling.
Deliverability
Deliverability is not an afterthought. Easy multiple IPs setup, queue separation, and
dedicated IPs support.
In-built DNS Server
A simple DNS server to manage forward DNS, MX, SPF, DKIM records of your installation in
highly dynamic environments.