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Mailzzy

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Added April 13, 2026 · Last analysed April 13, 2026 · via

StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 13 April 2026; the live site may have changed since.

Mailzzy scores highly overall, with complete legal pages, a thorough launch checklist, and well-configured email security. Visible gaps: missing Permissions-Policy and Content-Security-Policy and tracking cookies set before any opt-in.

Launched on Product Hunt on April 13, 2026. The site is hosted on AWS S3 and served through AWS CloudFront, with a domain registered in 2021. We've detected 18 technologies on this site, covering advertising, analytics, security, and seo. The stack includes React, Amazon Web Services, and AWS CloudFront.

It's one of just 8 launches we've crawled on this exact stack and more locked down than the typical Product Hunt launch.

If you own this site, refresh the snapshot and see the full fix list any time →

8.7
StackScope Score
Excellent
88/100 Launch Readiness
Launch ready
3/3* Legal
Complete*
2/2 Crawl files
Complete
Vibe Score 8 · Few AI signals
How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (18) · Scale-up stack

Infrastructure
CDN AWS CloudFront (3)
Cloud Amazon Web Services (2)
DNS AWS Route 53
Hosting AWS S3 (2)
Security HSTS (2)
ZeroThreat
Email
Business email Google Workspace (3)
Email marketing Netcore Cloud
Build & Framework
Font Google Fonts
Framework React
Analytics & Marketing
Advertising Facebook Pixel (2)
Google Ads
Analytics Google Analytics (2)
Microsoft Clarity
SEO Google Search Console
Yahoo Search
Tag management Google Tag Manager (2)
Business Tools
Chat Tawk.to (2)

Infrastructure

Network
AS16509 · US
DNS
AWS Route 53
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Amazon
Valid 22 Aug 2025 to 20 Sep 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
4.9 years
Registered Aug 2021 · GoDaddy.com, LLC

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
DKIM Detected via known email provider
DMARC p=quarantine Quarantine (moderate)
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Readiness Breakdown How?

Custom title and meta description (partial) missing custom <title>
Open Graph tags (title, image, description)
Twitter card meta tags
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)

Vibe Score Breakdown How?

SignalPoints
AI copy signals +5
AI writing signals +3

This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.

AI Stance

No AI stance declared
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (86 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy-policy/
Terms of Service
/terms-of-use/
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
82% unique

Security Headers (4/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Performance

198ms response time
Faster than 72% of sites
9 third-party domains loaded

Build

Code splitting
66 JS files
2 CSS files
9 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.