This project has been reported as a duplicate of Stalwart Mail Server. This project will be deleted upon review by an Open Hub administrator.
Project Summary
Stalwart mail-send is a Rust library to build, sign and send e-mail messages via SMTP. It includes the following features:
- Generates e-mail messages conforming to the Internet Message Format standard (RFC 5322).
- Full MIME support (RFC 2045 - 2049) with automatic selection of the most optimal encoding for each message body part.
- DomainKeys Identified Mail (DKIM) Signatures (RFC 6376) with ED25519-SHA256, RSA-SHA256 and RSA-SHA1 support.
- Simple Mail Transfer Protocol (SMTP; RFC 5321) delivery.
- SMTP Service Extension for Secure SMTP over TLS (RFC 3207).
- SMTP Service Extension for Authentication (RFC 4954) with automatic mechanism negotiation (from most secure to least secure):
- Full async (requires Tokio).
In a Nutshell, Stalwart E-mail delivery library...
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has a codebase with a long source history
maintained by a small development team
with decreasing Y-O-Y commits -
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took an estimated 1 years of effort (COCOMO model)
starting with its first commit in May, 2022
ending with its most recent commit 16 days ago
Quick Reference
Apache License 2.0
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These details are provided for information only. No information here is legal advice and should not be used as such.
MIT License
Permitted
Commercial Use
Modify
Distribute
Sub-License
Private Use
Forbidden
Hold Liable
Required
Include Copyright
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
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30 Day SummaryAug 29 2025 — Sep 28 2025
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12 Month SummarySep 28 2024 — Sep 28 2025
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