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Domain Investigation Report

Report generated: Dec 17, 2025

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stackmail.com

http://stackmail.com
Geo: unknown
Website: Site icon
Category: Domain
Recommendation
Proceed
Overall Summary
Safe
  Why we think so? 

stackmail.com is a legitimate white-label email hosting platform primarily used by hosting providers such as UK2 and 20i. It ranks globally around #49,000, with over one million monthly visits mostly from the UK. The website employs common, reputable web technologies and maintains a valid SSL certificate issued by RapidSSL, valid through April 2026. WHOIS data shows stable, long-term domain registration with Tucows as registrar. No trademark conflicts or scam listings are found, and Google Safe Browsing detects no risks. User reports indicate the platform experiences technical issues, including email client compatibility and setup challenges, rather than fraud. There are no known lawsuits or regulatory actions involving stackmail.com. Overall, the domain is safe and reliable as a backend email service, but users should be aware of potential configuration or connectivity problems.

Confidence Score Our overall confidence rating for this entity based on public signals, activity, and risk checks.
85%

Risk Insights

🛡️

Legitimate but Technical Service

  • Used by reputable hosting providers like UK2 and 20i
  • No scam or blacklist listings found
  • Technical issues mainly around email client compatibility and configuration
✅

Stable Domain and Security

  • Domain registered with Tucows since 2006
  • Valid SSL certificate through 2026
  • High monthly traffic from UK and other countries

Category Scores

Red Flags & Warnings

  • User reports indicate intermittent connection problems with various email clients, especially the new Outlook app.
  • Some configuration issues related to SMTP sending and missing folders have been reported, affecting email delivery and usability.

Detailed Checks & Insights

0-100 Scale

Domain technical infrastructure

Score: 90
Passed

Reason: Uses reputable servers and web technologies including Apache, PHP, and Microsoft Exchange Online for email services.

Traffic volume and user engagement

Score: 85
Passed

Reason: Reports over one million monthly visits with healthy engagement metrics and low bounce rate, primarily from UK users.

Domain ownership and SSL certificate

Score: 90
Passed

Reason: WHOIS shows stable registration with Tucows Domains Inc. and a valid, properly issued SSL certificate through April 2026.

Blacklist and scam reports

Score: 95
Passed

Reason: No listings on crypto scam blacklists or Google Safe Browsing threats detected.

Trademark and brand impersonation risk

Score: 90
Passed

Reason: No trademark conflicts found in USPTO database for 'stackmail'.

User reputation and complaints

Score: 75
Passed

Reason: Technical complaints exist regarding email client compatibility and configuration but no evidence of fraud or scam activity.

Your Next Steps

  • 1

    If using stackmail.com, ensure email clients are configured properly for connection and deliverability.

  • 2

    Monitor for any phishing attempts that may spoof stackmail.com, as normal domains can be abused.

  • 3

    If you experience technical issues, contact your hosting provider or Stackmail support for troubleshooting.

  • 4

    Regularly check domain status and reputation through trusted sources to stay informed.

Evidence & Citations

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