Insights

Secure Email Demand StealthMail positions itself around secure, private email channels with exclusive control over encryption keys and access rights, suggesting strong demand among organizations prioritizing data protection and compliance.

Azure Deployment Fit No integration required and deployment under four hours with Azure cloud hosting indicates a quick, low-friction value prop ideal for MSPs, SMBs, and teams seeking fast security improvements without IT disruption.

Outlook Ecosystem With Outlook Add-Ins and emphasis on email as a trusted client relationship channel, there is a clear opportunity to upsell within existing Microsoft ecosystems and to enterprises already relying on Outlook.

Growth Constraints Small team size (2-10 employees) and modest funding suggest potential needs for channel partnerships, co-selling, or strategic alliances to accelerate go-to-market and scale customer acquisition.

Market Positioning Competitive landscape includes players with larger teams and revenues; StealthMail can differentiate on governance of encryption keys, data access rights, and education content like ‘The Art of Email Security’ to drive thought leadership.

Similar companies to StealthMail

StealthMail Tech Stack

StealthMail uses 8 technology products and services including Hotjar, Linkedin Insight Tag, WordPress, and more. Explore StealthMail's tech stack below.

StealthMail's Email Address Formats

StealthMail uses at least 2 email formats:
StealthMail Email FormatsExamplePercentage
FLast@stealthmail.comJDoe@stealthmail.com
92%
Last@stealthmail.comDoe@stealthmail.com
8%

Frequently Asked Questions

What is StealthMail's official website and social media links?

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StealthMail's official website is stealthmail.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does StealthMail generate?

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As of August 2026, StealthMail's annual revenue is estimated to be $1M - $10M.

What is StealthMail's NAICS code?

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StealthMail's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does StealthMail have currently?

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As of August 2026, StealthMail has approximately 5 employees across 2 continents, including North America and Europe. Key team members include Founder & Chief Executive Officer: D. B., Cybersecurity Evangelist And Chief Marketing Officer: D. A. and Ui/Ux Designer: S. G. Explore StealthMail's employee directory with LeadIQ.

What industry does StealthMail belong to?

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StealthMail operates in the Computer and Network Security industry.

What technology does StealthMail use?

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StealthMail's tech stack includes Hotjar, Linkedin Insight Tag, WordPress, Microsoft 365, Hammer.js, PayPal, Algolia and YouTube.

What is StealthMail's email format?

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StealthMail's email format typically follows the pattern of FLast@stealthmail.com. Find more StealthMail email formats with LeadIQ.

How much funding has StealthMail raised to date?

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As of August 2026, StealthMail has raised $2.7M in funding. The last funding round occurred on Oct 10, 2018 for $600K.
StealthMail logo

StealthMail

Computer and Network SecurityCalifornia, United States2-10 Employees

StealthMail operates in the computer and network security space, focusing on securing email communications so that messages remain private and resistant to interception by relays, hackers, or public Internet threats. The service emphasizes giving customers full and exclusive control over encryption keys, data, and access rights, aiming to establish trusted email relationships with clients through a secure channel. Based in San Francisco, the company targets organizations seeking protection for business communications without requiring changes to existing IT infrastructure, with deployment reported to be quick and scalable via a deployment to Microsoft Azure and Outlook integration. The firm positions itself as a provider of secure email solutions that integrate with common productivity tools and can be deployed with minimal impact to current systems, including a roadmap that has included expanding support to Google G Suite and ongoing development for multi-platform clients.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Employees
2-10

Section iconFunding & Financials

  • $2.7M

    StealthMail has raised a total of $2.7M of funding over 2 rounds. Their latest funding round was raised on Oct 10, 2018 in the amount of $600K as a Seed.

  • $1M - $10M

    StealthMail's revenue is estimated to be in the range of $1M - $10M

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