Email Security Technologies & Software
A curated collection of the best email security technologies and software.
Email Security Market Data
Adoption, market share and 30-day momentum across 12 email security technologies, measured from our live detection crawl.
Market Share
- Microsoft Defender37.37%
- Jellyfish13.34%
- Mimecast9.63%
- MailChannels9.19%
- Barracuda8.99%
- Proofpoint7.36%
- Others14.1%
Biggest Movers
Net domains gained or lost (30 days)
Technology Rankings
| # | Technology | Active Domains | Market Share | 30-Day Trend |
|---|---|---|---|---|
| 1 | Microsoft Defender | 267,073 | 37.37% | +816 |
| 2 | Jellyfish | 95,347 | 13.34% | +839 |
| 3 | Mimecast | 68,823 | 9.63% | -15 |
| 4 | MailChannels | 65,697 | 9.19% | -328 |
| 5 | Barracuda | 64,253 | 8.99% | -217 |
| 6 | Proofpoint | 52,612 | 7.36% | +394 |
| 7 | Sophos | 45,827 | 6.41% | +583 |
| 8 | Hornetsecurity | 40,971 | 5.73% | +830 |
| 9 | Cisco Email Security | 10,816 | 1.51% | -71 |
| 10 | SpamTitan | 1,720 | 0.24% | -18 |
| 11 | Validity | 1,480 | 0.21% | +11 |
| 12 | Proxmox Mail Gateway | 1 | 0% | 0 |
Email Security
FAQ.
What is Email Security software?
Email Security software helps businesses automate repetitive marketing tasks such as email campaigns, lead nurturing, social media posting, and customer segmentation. These platforms enable companies to deliver personalized communications at scale, track engagement across channels, and measure ROI — ultimately turning leads into customers more efficiently. Our database currently tracks 69,108 active customers across 1 email security tools.
What are the most popular email security platforms?
Based on our analysis of 69,108 customers, the leading email security platforms are: Mimecast (9.62% market share, 69,108 customers). Other notable platforms include .
Which email security tool has the largest market share?
Mimecast leads the email security category with 9.62% market share and 69,108 detected customers. It's particularly popular among Financial Services companies and businesses with 1-10 employees.
Which industries use email security software the most?
The top industries adopting email security tools are Financial Services, Construction, Insurance, Law Practice, Real Estate. These industries rely heavily on automated marketing workflows to manage large customer bases, personalize outreach, and optimize conversion funnels across multiple touchpoints.
Which countries have the highest adoption of email security tools?
Email Security adoption is strongest in United States, United Kingdom, Australia, Canada, Germany. The United States leads significantly due to its large SaaS ecosystem and digital marketing maturity. European markets like the UK and Germany follow, driven by growing e-commerce and B2B demand for automated customer engagement.
How do I choose the right email security platform?
Consider your business size, industry, and primary use case. Mimecast is ideal for all-in-one CRM and marketing needs. undefined excels at e-commerce and SMS marketing. undefined is popular for straightforward email campaigns and small businesses. Evaluate each platform's integrations, pricing tiers, and automation capabilities against your specific workflow requirements.
How many companies use email security software?
TechnologyChecker.io tracks 69,108 active customers using email security tools, with 57,923 companies enriched with LinkedIn company data. We crawl 2 billion+ URLs across 29.9M live business domains each sweep.
What is the source of this data?
TechnologyChecker.io's web crawling and technology detection platform. We've logged 2.12 billion total detections over 20+ years, covering 40,000+ technologies across 29.6M domains. Detection methods include JavaScript analysis, HTTP headers, HTML patterns, and DNS records.
