Relaywright

Internal Communications Software

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Relaywright functions as a secure, self-hosted SMTP relay gateway designed for internal systems such as printers, scanners, and line-of-business applications that require controlled email transmission through a centralized, trusted upstream provider. Its main features include trusted device input management via IP or CIDR with detailed policy summaries, durable message queuing with disk storage for increased reliability, configurable upstream delivery with TLS and optional authentication methods, extensive diagnostics for connectivity and message flow validation, and security monitoring with audit logs and session tracking; it addresses common challenges like unauthorized relay exposure, message durability, and operational transparency, making it ideal for system engineers and IT administrators seeking a solid, auditable email relay solution for internal infrastructure.

Relaywright can be found in Internal Communications Software categories.

The most similar products to Relaywright are:

Mailtrap Promoted → SMTP Servers Verified profile → Auth-Email → PowerMTA → Relay2 →

Screenshots

Details

Relaywright Main Features

• Durable Queue
  Accepted messages are saved to disk before sending, so messages are not lost if there is a problem.
• Stable Version
  The current stable version is v1.0.2, published on July 3, 2026, with all files including checksums.
• Diagnostics Tools
  You can run checks for connectivity, preview email flow, and test emails before starting use.
• Upstream Delivery
  It can send emails to one upstream server with options for TLS, basic authentication, or Microsoft OAuth.
• Download and Setup
  You can easily install Relaywright on Windows or Linux and finish setup using the admin UI before using it.
• Backups and Restore
  Create backups of data, check if you can restore, and stage restores with clear impact on current operations.
• Security Visibility
  Review login events, active sessions, warnings about suspicious activity, and check security certificates.
• Security and Control
  Relaywright works only with trusted devices and keeps control over accepted messages to prevent open relay issues.
• Initial Setup Process
  Finish installation and configuration using the admin UI before the devices start sending emails.
• Trusted Device Intake
  It allows devices to send mail by IP or CIDR and records details like owner, location, size, and sending rate.

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Relaywright Alternatives

Mailtrap Promoted

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Relay2

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Technologies Used

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