Company lists · Data refreshed October 2026
Top 25 Email gateway software companies worldwide
RevenueBase identified 176 company matches for email gateway software companies worldwide as of October 2026 and tracks 1,965 professional contacts across them, including 475 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for email gateway software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 20, 2026. Country and city lists for email gateway software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest email gateway software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 201 contacts → | ||||
Exact match “Zix, an OpenText company, is a leader in email security and helps organizations overcome their greatest digital transformation challenges by providing a secure, modern workplace.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 2 | 88 contacts → | ||||
Exact match “CodeTwo develops software solutions for Microsoft 365, Exchange Server, and Outlook.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 3 | 80 contacts → | ||||
Exact match “Echoworx protects the privacy of people and businesses throughout the world by making email data protection easier.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 4 | 70 contacts → | ||||
Exact match “GajShield Infotech (I) Pvt.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 5 | 63 contacts → | ||||
Exact match “Zivver is the all-in-one email security solution provider for managing and eliminating evolving risk – whether it’s human error, cyber threats, or data compliance.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 6 | 51 contacts → | ||||
Exact match “Cloudmark was acquired by Proofpoint.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 7 | 48 contacts → | ||||
Exact match “Desenvolvimento de soluções de segurança para internet de empresas: e-mail, web, firewall e MSN” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 8 | 40 contacts → | ||||
Exact match “Maildoso provides high-quality SMTP and Google mailboxes built for cold email deliverability.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 9 | 38 contacts → | ||||
Exact match “AIR Co, Ltd.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 10 | 37 contacts → | ||||
Exact match “Topsec is a leading provider of cloud based managed email security solutions.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 11 | 35 contacts → | ||||
Exact match “Cellopoint is a leader in next-generation email security solutions, using AI-based technology to protect users against a wide range of threats, from spam and viruses to advanced…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 12 | 32 contacts → | ||||
Exact match “Abnormal provides total protection against the widest range of email attacks including phishing, malware, ransomware, social engineering, executive impersonation, supply chain…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 13 | 27 contacts → | ||||
Exact match “MailGuard, A GlobalGuard Company, is a global leader in email threat detection.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 14 | 25 contacts → | ||||
Exact match “OPTIZMO Technologies is an innovative software company that provides robust, enterprise class solutions in the Fortune 500 arena.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 15 | 24 contacts → | ||||
Exact match “Liverton Security is a trusted cybersecurity provider specialising in secure email solutions and information security consulting.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 16 | 23 contacts → | ||||
Exact match “AnubisNetworks is an Email CyberSecurity company.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 17 | 21 contacts → | ||||
Exact match “Founded in 2003, Sendio is a venture-backed, privately held company whose products protect the email environments of enterprises and institutions from attacks and abuse, and…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 18 | 21 contacts → | ||||
Exact match “We are specialists in email management.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 19 | 18 contacts → | ||||
Exact match “EdgeWave is hyper-focused on delivering the World’s Safest Inboxes™ by eliminating email-borne security risks for organizations in the face of targeted, socially engineered…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “Red Condor is revolutionizing spam fighting technology.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 21 | 16 contacts → | ||||
Exact match “E-Mail-Sicherheit ist mehr als der Schutz vor Viren und Spam.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 22 | 15 contacts → | ||||
Exact match “Spambrella is a Worldwide email content control security ‘software as a service’ (SaaS) provider.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match “Interbel: Pioneros en Email & Ciberseguridad en España "#1 Optimizando el Email y la Ciberseguridad con Tecnología Avanzada" En Interbel, con más de 26 años de experiencia, somos…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 24 | 14 contacts → | ||||
Exact match “Libraesva secures email communications for organisations, helping them eliminate email borne threats, preserve email data and provide an environment for their people to…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “MailGate SC is a comprehensive email security solution that protects your organization from a wide range of advanced threats.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “email gateway software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 176 email gateway software companies worldwide
See the full list, filter by size, metro and specialty, and access 475 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Email gateway software companies worldwide at a glance
As of Oct 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for email gateway software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “email gateway software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 475 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Email gateway software companies by location
1 lists · largest firstEvery Email gateway software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “email gateway software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many email gateway software companies are there worldwide?
RevenueBase identified 176 company matches for email gateway software companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
ZIX tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most email gateway software companies?
The United States leads with 39 companies. Every email gateway software companies list by country and city is linked on this page.
Which city has the most email gateway software companies?
London leads with 3 company records, followed by Seoul (3) and Amsterdam (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 475 professional contacts with verified work emails tracked across these 176 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 176 email gateway software companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 email gateway software companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 176 matching company records for email gateway software companies worldwide, with 1,965 tracked contacts and 475 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 email gateway software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  ZIXzix.comHQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 201 contacts → |
“Zix, an OpenText company, is a leader in email security and helps organizations overcome their greatest digital transformation challenges by providing a secure, modern workplace.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Codetwocodetwo.com HQ: Jelenia Gora, PolandReported employees: 51-200 | Jelenia Gora, Poland | 51-200 | Exact match | 88 contacts → |
“CodeTwo develops software solutions for Microsoft 365, Exchange Server, and Outlook.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Echoworxechoworx.comHQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 80 contacts → |
“Echoworx protects the privacy of people and businesses throughout the world by making email data protection easier.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gajshield Firewallgajshield.comHQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 70 contacts → |
“GajShield Infotech (I) Pvt.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Zivverzivver.comHQ: Amsterdam-duivendrecht, NetherlandsReported employees: 51-200 | Amsterdam-duivendrecht, Netherlands | 51-200 | Exact match | 63 contacts → |
“Zivver is the all-in-one email security solution provider for managing and eliminating evolving risk – whether it’s human error, cyber threats, or data compliance.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cloudmarkcloudmark.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 51 contacts → |
“Cloudmark was acquired by Proofpoint.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  MAV Tecnologiameile.com.brHQ: Belo Horizonte, BrazilReported employees: 11-50 | Belo Horizonte, Brazil | 11-50 | Exact match | 48 contacts → |
“Desenvolvimento de soluções de segurança para internet de empresas: e-mail, web, firewall e MSN” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Maildosomaildoso.aiHQ: Granite Bay, CA, United StatesReported employees: 11-50 | Granite Bay, CA, United States | 11-50 | Exact match | 40 contacts → |
“Maildoso provides high-quality SMTP and Google mailboxes built for cold email deliverability.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | AIR Company Limitedair.co.jp HQ: 吹田市, JapanReported employees: 51-200 | 吹田市, Japan | 51-200 | Exact match | 38 contacts → |
“AIR Co, Ltd.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Topsec Cloud Solutionstopsec.comHQ: Sandyford, IrelandReported employees: 11-50 | Sandyford, Ireland | 11-50 | Exact match | 37 contacts → |
“Topsec is a leading provider of cloud based managed email security solutions.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cellopoint International Corporationcellopoint.com HQ: TaiwanReported employees: 51-200 | Taiwan | 51-200 | Exact match | 35 contacts → |
“Cellopoint is a leader in next-generation email security solutions, using AI-based technology to protect users against a wide range of threats, from spam and viruses to advanced…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Abnormal Securityabnormalsecurity.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 32 contacts → |
“Abnormal provides total protection against the widest range of email attacks including phishing, malware, ransomware, social engineering, executive impersonation, supply chain…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Mailguard A Globalguard Companymailguard.com.auHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 27 contacts → |
“MailGuard, A GlobalGuard Company, is a global leader in email threat detection.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Optizmo Technologies, LLCoptizmo.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 25 contacts → |
“OPTIZMO Technologies is an innovative software company that provides robust, enterprise class solutions in the Fortune 500 arena.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Liverton Security Limitedlivertonsecurity.comHQ: Wellington, United KingdomReported employees: 11-50 | Wellington, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Liverton Security is a trusted cybersecurity provider specialising in secure email solutions and information security consulting.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Anubisnetworksanubisnetworks.comHQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 23 contacts → |
“AnubisNetworks is an Email CyberSecurity company.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sendio Technologies, INCsendio.comHQ: Newport Beach, CA, United StatesReported employees: 11-50 | Newport Beach, CA, United States | 11-50 | Exact match | 21 contacts → |
“Founded in 2003, Sendio is a venture-backed, privately held company whose products protect the email environments of enterprises and institutions from attacks and abuse, and…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Nordic ITnordic-it.com HQ: Singapore, DenmarkReported employees: 11-50 | Singapore, Denmark | 11-50 | Exact match | 21 contacts → |
“We are specialists in email management.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Edgewaveedgewave.comHQ: La Jolla, CA, United StatesReported employees: 51-200 | La Jolla, CA, United States | 51-200 | Exact match | 18 contacts → |
“EdgeWave is hyper-focused on delivering the World’s Safest Inboxes™ by eliminating email-borne security risks for organizations in the face of targeted, socially engineered…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | RED Condorredcondor.com HQ: Rohnert Park, CA, United StatesReported employees: 11-50 | Rohnert Park, CA, United States | 11-50 | Exact match | 18 contacts → |
“Red Condor is revolutionizing spam fighting technology.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Comcrypto Gmbhcomcrypto.deHQ: Chemnitz, GermanyReported employees: 11-50 | Chemnitz, Germany | 11-50 | Exact match | 16 contacts → |
“E-Mail-Sicherheit ist mehr als der Schutz vor Viren und Spam.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Spambrellaspambrella.comHQ: Dover, DE, United StatesReported employees: 51-200 | Dover, DE, United States | 51-200 | Exact match | 15 contacts → |
“Spambrella is a Worldwide email content control security ‘software as a service’ (SaaS) provider.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Interbelinterbel.esHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 15 contacts → |
“Interbel: Pioneros en Email & Ciberseguridad en España "#1 Optimizando el Email y la Ciberseguridad con Tecnología Avanzada" En Interbel, con más de 26 años de experiencia, somos…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Libraesvalibraesva.comHQ: Lecco, ItalyReported employees: 11-50 | Lecco, Italy | 11-50 | Exact match | 14 contacts → |
“Libraesva secures email communications for organisations, helping them eliminate email borne threats, preserve email data and provide an environment for their people to…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Mailgatemailgatesc.comHQ: Greenwood, IN, United StatesReported employees: 11-50 | Greenwood, IN, United States | 11-50 | Exact match | 14 contacts → |
“MailGate SC is a comprehensive email security solution that protects your organization from a wide range of advanced threats.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 176 company matches
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Email gateway software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
176 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 176 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Email gateway software companies by location
1 lists · largest firstEvery Email gateway software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for email gateway software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many email gateway software companies did RevenueBase find worldwide?
The saved snapshot records 176 matching company records, 1,965 tracked contacts and 475 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 email gateway software companies worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/email-gateway-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 email gateway software companies worldwide
RevenueBase records 176 matching company records for email gateway software companies worldwide, with 1,965 tracked contacts and 475 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 email gateway software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | ZIXzix.com HQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 201 contacts → |
“Zix, an OpenText company, is a leader in email security and helps organizations overcome their greatest digital transformation challenges by providing a secure, modern workplace.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Codetwocodetwo.com HQ: Jelenia Gora, PolandReported employees: 51-200 | Jelenia Gora, Poland | 51-200 | Exact match | 88 contacts → |
“CodeTwo develops software solutions for Microsoft 365, Exchange Server, and Outlook.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Echoworxechoworx.com HQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 80 contacts → |
“Echoworx protects the privacy of people and businesses throughout the world by making email data protection easier.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gajshield Firewallgajshield.com HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 70 contacts → |
“GajShield Infotech (I) Pvt.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Zivverzivver.com HQ: Amsterdam-duivendrecht, NetherlandsReported employees: 51-200 | Amsterdam-duivendrecht, Netherlands | 51-200 | Exact match | 63 contacts → |
“Zivver is the all-in-one email security solution provider for managing and eliminating evolving risk – whether it’s human error, cyber threats, or data compliance.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cloudmarkcloudmark.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 51 contacts → |
“Cloudmark was acquired by Proofpoint.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MAV Tecnologiameile.com.br HQ: Belo Horizonte, BrazilReported employees: 11-50 | Belo Horizonte, Brazil | 11-50 | Exact match | 48 contacts → |
“Desenvolvimento de soluções de segurança para internet de empresas: e-mail, web, firewall e MSN” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Maildosomaildoso.ai HQ: Granite Bay, CA, United StatesReported employees: 11-50 | Granite Bay, CA, United States | 11-50 | Exact match | 40 contacts → |
“Maildoso provides high-quality SMTP and Google mailboxes built for cold email deliverability.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | AIR Company Limitedair.co.jp HQ: 吹田市, JapanReported employees: 51-200 | 吹田市, Japan | 51-200 | Exact match | 38 contacts → |
“AIR Co, Ltd.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Topsec Cloud Solutionstopsec.com HQ: Sandyford, IrelandReported employees: 11-50 | Sandyford, Ireland | 11-50 | Exact match | 37 contacts → |
“Topsec is a leading provider of cloud based managed email security solutions.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cellopoint International Corporationcellopoint.com HQ: TaiwanReported employees: 51-200 | Taiwan | 51-200 | Exact match | 35 contacts → |
“Cellopoint is a leader in next-generation email security solutions, using AI-based technology to protect users against a wide range of threats, from spam and viruses to advanced…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Abnormal Securityabnormalsecurity.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 32 contacts → |
“Abnormal provides total protection against the widest range of email attacks including phishing, malware, ransomware, social engineering, executive impersonation, supply chain…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mailguard A Globalguard Companymailguard.com.au HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 27 contacts → |
“MailGuard, A GlobalGuard Company, is a global leader in email threat detection.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Optizmo Technologies, LLCoptizmo.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 25 contacts → |
“OPTIZMO Technologies is an innovative software company that provides robust, enterprise class solutions in the Fortune 500 arena.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Liverton Security Limitedlivertonsecurity.com HQ: Wellington, United KingdomReported employees: 11-50 | Wellington, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Liverton Security is a trusted cybersecurity provider specialising in secure email solutions and information security consulting.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Anubisnetworksanubisnetworks.com HQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 23 contacts → |
“AnubisNetworks is an Email CyberSecurity company.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sendio Technologies, INCsendio.com HQ: Newport Beach, CA, United StatesReported employees: 11-50 | Newport Beach, CA, United States | 11-50 | Exact match | 21 contacts → |
“Founded in 2003, Sendio is a venture-backed, privately held company whose products protect the email environments of enterprises and institutions from attacks and abuse, and…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Nordic ITnordic-it.com HQ: Singapore, DenmarkReported employees: 11-50 | Singapore, Denmark | 11-50 | Exact match | 21 contacts → |
“We are specialists in email management.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Edgewaveedgewave.com HQ: La Jolla, CA, United StatesReported employees: 51-200 | La Jolla, CA, United States | 51-200 | Exact match | 18 contacts → |
“EdgeWave is hyper-focused on delivering the World’s Safest Inboxes™ by eliminating email-borne security risks for organizations in the face of targeted, socially engineered…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | RED Condorredcondor.com HQ: Rohnert Park, CA, United StatesReported employees: 11-50 | Rohnert Park, CA, United States | 11-50 | Exact match | 18 contacts → |
“Red Condor is revolutionizing spam fighting technology.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Comcrypto Gmbhcomcrypto.de HQ: Chemnitz, GermanyReported employees: 11-50 | Chemnitz, Germany | 11-50 | Exact match | 16 contacts → |
“E-Mail-Sicherheit ist mehr als der Schutz vor Viren und Spam.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Spambrellaspambrella.com HQ: Dover, DE, United StatesReported employees: 51-200 | Dover, DE, United States | 51-200 | Exact match | 15 contacts → |
“Spambrella is a Worldwide email content control security ‘software as a service’ (SaaS) provider.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Interbelinterbel.es HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 15 contacts → |
“Interbel: Pioneros en Email & Ciberseguridad en España "#1 Optimizando el Email y la Ciberseguridad con Tecnología Avanzada" En Interbel, con más de 26 años de experiencia, somos…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Libraesvalibraesva.com HQ: Lecco, ItalyReported employees: 11-50 | Lecco, Italy | 11-50 | Exact match | 14 contacts → |
“Libraesva secures email communications for organisations, helping them eliminate email borne threats, preserve email data and provide an environment for their people to…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Mailgatemailgatesc.com HQ: Greenwood, IN, United StatesReported employees: 11-50 | Greenwood, IN, United States | 11-50 | Exact match | 14 contacts → |
“MailGate SC is a comprehensive email security solution that protects your organization from a wide range of advanced threats.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 176 company matches
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Email gateway software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
176 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 176 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Email gateway software companies by location
1 lists · largest firstEvery Email gateway software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for email gateway software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many email gateway software companies did RevenueBase find worldwide?
The saved snapshot records 176 matching company records, 1,965 tracked contacts and 475 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 email gateway software companies worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/email-gateway-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗