What is lettr?
50/100
Trust Score (C-)
⚠️ Use Caution
lettr is a crates that Official Rust SDK for the Lettr Email API.. It has a Nerq Trust Score of 50/100 (C-). 0 GitHub stars. Published by Unknown. Last analyzed September 2026.
Why This Score
- ⚠️ Security: 0/100 — Some security concerns
- ⚠️ Maintenance: 0/100 — Maintenance activity is low
- ⚠️ Community: 0 stars, 0 downloads — Growing community
- ⚠️ Transparency: License: Not specified — No license specified
Trust & Safety Overview
50
TRUST SCORE
C-
GRADE
0
STARS
0
DOWNLOADS
What lettr Does
lettr is a crates in the crates category. Official Rust SDK for the Lettr Email API.. It is published by Unknown and has no specified license. With 0 GitHub stars and 0 downloads, it has a small community of users and contributors.
Who Should Use lettr
lettr is suitable for evaluation and non-critical use. Review the trust score breakdown before using in production.
Details
| Author | Unknown |
|---|---|
| Category | crates |
| License | Not specified |
| Type | crates |
| Source | View on GitHub |
| Security Score | 0/100 |
| Activity Score | 0/100 |
How to Get Started
Check the trust score before installing:
curl nerq.ai/v1/preflight?target=lettr
Setup guide · Full safety report · Production review · Is it safe?
Frequently Asked Questions
What is lettr used for?
lettr is a crates tool. Official Rust SDK for the Lettr Email API..
Is lettr free?
License: Check project page. lettr has 0 GitHub stars.
Is lettr safe?
lettr has a Nerq Trust Score of 50/100 (C-). Use with caution.
What are alternatives to lettr?
Top alternatives: . See full comparison.
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Last updated September 2026. Trust scores based on automated analysis of public data.