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Analyzed about 12 hours ago. based on code collected about 16 hours ago.

Project Summary

Stalwart SMTP is a modern SMTP server developed in Rust with a focus on security, speed, and extensive configurability. It features built-in DMARC, DKIM, SPF and ARC support for message authentication, strong transport security through DANE, MTA-STS and SMTP TLS reporting, and offers great flexibility and customization thanks to its dynamic configuration rules and native support for Sieve scripts.

Key features:

- Sender and Message Authentication: DMARC, DKIM, signing and failure reporting, SPF policy evaluation and failure reporting, ARC verification and sealing, Reverse IP validation.
- Strong Transport Security: DANE, MTA-STS, SMTP TLS Reporting delivery and analysis.
- Inbound Filtering and Throttling, Flexible Queues, Logging and Reporting and more.


arc dkim dmarc smtp smtpserver spf

In a Nutshell, Stalwart SMTP Server...

Project Security

Vulnerabilities per Version ( last 10 releases )

There are no reported vulnerabilities

Project Vulnerability Report

Security Confidence Index

Poor security track-record
Favorable security track-record

Vulnerability Exposure Index

Many reported vulnerabilities
Few reported vulnerabilities

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About Project Security

30 Day Summary

Sep 1 2023 — Oct 1 2023

12 Month Summary

Oct 1 2022 — Oct 1 2023
  • 89 Commits
    This project is less than 12 months old.
  • 2 Contributors
    This project is less than 12 months old.


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