Decision Workspace
smtpapi vs polymail vs armature-mail
Side-by-side comparison of Rust crates
40
smtpapi
growingv0.1.3
This crate allows you to quickly and more easily generate SendGrid X-SMTPAPI headers.
48
polymail
experimentalv0.1.0
Unified email sending interface for multiple providers
47
armature-mail
experimentalv0.1.1
Email sending with SMTP, templates, and provider integrations for Armature
Core Metrics
| smtpapi | polymail | armature-mail | |
|---|---|---|---|
| Health Score | 40 | 48 | 47 |
| Total Downloads | 7.6K | 9 | 45 |
| 30d Downloads | 6 | 9 | 4 |
| Dependents | 0 | 0 | 0 |
| Releases | 4 | 1 | 2 |
| Last Updated | 3671d ago | today | 87d ago |
| Age | 10y 2m | 1d | 3m |
Health Breakdown
smtpapi
Maintenance
6
Quality
15
Community
3
Popularity
5
Documentation
11
polymail
Maintenance
13
Quality
15
Community
6
Popularity
1
Documentation
13
armature-mail
Maintenance
12
Quality
15
Community
6
Popularity
2
Documentation
12
Technical Details
| smtpapi | polymail | armature-mail | |
|---|---|---|---|
| Version | 0.1.3 | 0.1.0 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 2 | 5 | 23 |
| Crate Size | 6KB | 24KB | 44KB |
| Features | 0 | 4 | 12 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2024 | 2021 |
| MSRV | — | — | 1.76 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •polymail leads with a health score of 48/100, but none of the options score above 80.
- •smtpapi has the most downloads (7.6K), suggesting wider adoption.
- •⚠ smtpapi has not been updated in over a year.