Email, Messaging & Collaboration
K-9 Mail reviews & complaints
k9mail.app
0.0
Based on 0 reviews
About K-9 Mail
K-9 Mail is an open source email client focused on making it easy to chew through large volumes of email
Quick facts
Category: Email, Messaging & Collaboration
Rating distribution
5 star
0
4 star
0
3 star
0
2 star
0
1 star
0
Trust & Transparency
Trust Signals Score: 73
Confidence: Medium
Last checked: Mon, Feb 23, 2026 8:02 AM
Domain maturity
• Domain age 6.1 years
• Registrar data present
good
Source: rdap
Security posture
• HTTPS reachable
• Certificate expires in 89 days
good
Source: crawler
Service availability
• Uptime ratio 100% over last 7 days
good
Source: crawler
Ownership transparency
• Owner claim not verified
bad
Source: crawler
Content completeness
• Description available
• No docs/pricing hints detected
bad
Source: crawler
Limited data. What we know: recent crawl and content signals. What we don't know: complete external registry and threat data.