PyRank
aio-libs

aiosmtpd

A reimplementation of the Python stdlib smtpd.py based on asyncio.
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

aiosmtpd has 1.6M monthly downloads and 371 GitHub stars. Version 1.4.6 supports Python 3.8+, first published in 2015.

It is actively maintained under a permissive license, last released in May 2024.

It is built on top of atpublic and attrs. It is used by 42 tracked packages, including cuga, mailman and smtpdfix.

GitHub topics include asyncio, smtp and smtp-server.

Downloads
Day
55.2K
Week
397.6K
Month
1.6M
Stars
371
Forks
102
Issues
79
Version
1.4.6

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
56
Adoption
80
Community
80
Provenance
0
How the maintenance status was determined
Last commit
5 days ago
Monthly downloads
1,578,034
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
1,578,034
Stars
371
Stars per 1k downloads
0.24
Industry Standard
> 10,000,000 monthly downloads
• Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
56,800
Month daily avg
52,601
Momentum
+8.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.8
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
• Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Apache-2.0
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
779 days ago
Total releases
26
Releases/year
2.4
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
• Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
76
Monthly downloads
1,578,034
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
90
 
Issue Burden
212.9
per 1k stars
Discussions
43.1
per 1k stars
Fork Ratio
74.5%
contrib / forks
Stale Release
774d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 35.9K
Windows 1.8K
macOS 328

Python Versions

3.12
67.7% 25.1K
3.13
13.4% 5.0K
3.11
9.1% 3.4K
3.14
5.6% 2.1K
3.10
4.2% 1.5K

Top Countries

1. US US
24.9K
2. SG SG
5.6K
3. DE DE
1.6K
4. GB GB
982
5. IN IN
879
6. HK HK
795
7. ID ID
593
8. FR FR
296
9. JP JP
228
10. CA CA
203
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
Apache-2.0
First Release
October 20, 2015
Last Release
2 years ago
Last Commit
6 days ago
Latest Version
1.4.6
Total Releases
26
Contributors
76
Open PRs
27
Archived
No
Python Versions
3.8 3.9 3.10 3.11 3.12
Wheels
py3
Keywords
email smtpd smtp
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links