Company lists · Data refreshed October 2026
Top 25 Electronic mailboxes suppliers worldwide
RevenueBase identified 420 company matches for electronic mailboxes suppliers worldwide as of October 2026 and tracks 3,560 professional contacts across them, including 475 with verified work emails. The United States is the largest market and Mumbai the largest hub.
This list covers company matches for electronic mailboxes suppliers 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 25, 2026. Country and city lists for electronic mailboxes suppliers 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 electronic mailboxes suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 296 contacts → | ||||
Exact match “Fastmail is email, just better!” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 2 | 189 contacts → | ||||
Exact match “Sinch Mailgun is the leading email delivery service for businesses around the world.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 3 | 157 contacts → | ||||
Exact match “Titan is an email suite built specifically for professionals and small businesses.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 4 | 124 contacts → | ||||
Exact match “iPostal1 is the leading digital mailbox service offering customers a real street address in any of our more than 4,250 mailbox locations internationally for receipt of their…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 5 | 53 contacts → | ||||
Exact match “Business Email Accounts, Calendaring, Contacts and Collaboration Services for Your Business from BlueTie.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 6 | 52 contacts → | ||||
Exact match “Impressum:” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 7 | 49 contacts → | ||||
Exact match “At Halon, our mission is straightforward, yet powerful and complex: empower businesses through dynamic email operations.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 8 | 37 contacts → | ||||
Exact match “Topsec is a leading provider of cloud based managed email security solutions.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 9 | 36 contacts → | ||||
Exact match “Message Systems is the world’s #1 email infrastructure provider.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 10 | 35 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 11 | 28 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 12 | 26 contacts → | ||||
Exact match “At Axigen, we work with communication service providers around the world to improve their customer's loyalty, increase their brand stickiness, and guarantee data sovereignty for…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 13 | 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 25, 2026 · View company records in RevenueBase | |||||
| 14 | 19 contacts → | ||||
Exact match “Tizzy® Mail users will not have to worry for issues like delayed emails or not receiving incoming emails, spam mail issue, IP blacklisting, DNS-related issues, Email spoofing…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “De højeste kvalitetsstandarder og løbende innovation – denne røde tråd i vores produktfilosofi har sammen med god kundeservice placeret Renz blandt de førende i den tyske og…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 16 | 18 contacts → | ||||
Exact match “Red Condor is revolutionizing spam fighting technology.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 17 | 16 contacts → | ||||
Exact match “Email deliverability matters.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 18 | 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 25, 2026 · View company records in RevenueBase | |||||
| 19 | 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 25, 2026 · View company records in RevenueBase | |||||
| 20 | 14 contacts → | ||||
Exact match “Reliable and Secure email hosting services for SMB and Enterprise.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 21 | 13 contacts → | ||||
Exact match “Sooma provides enhanced messaging services to Telcos, Service Providers, VARs, Carriers, and corporations on an outsourcing basis.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 22 | 12 contacts → | ||||
Exact match “Mail2World designs, delivers and supports a technology-leading and award-winning suite of carrier-class, Web-based email messaging and collaboration services.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 23 | 12 contacts → | ||||
Exact match “Yukthi Systems is a Bangalore based company, providing industry leading email services.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “Cumulo9 provides transformational business email services for delivering transactional email documents, marketing campaigns and tracked email signatures.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 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 “electronic mailboxes suppliers”. 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 420 electronic mailboxes suppliers 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.
Free signup · no credit card
Electronic mailboxes suppliers worldwide at a glance
As of Oct 25, 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 electronic mailboxes suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “electronic mailboxes suppliers” 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 25, 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.
Electronic mailboxes suppliers by location
1 lists · largest firstEvery Electronic mailboxes suppliers 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 “electronic mailboxes suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electronic mailboxes suppliers are there worldwide?
RevenueBase identified 420 company matches for electronic mailboxes suppliers 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?
Fastmail tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most electronic mailboxes suppliers?
The United States leads with 98 companies. Every electronic mailboxes suppliers list by country and city is linked on this page.
Which city has the most electronic mailboxes suppliers?
Mumbai leads with 7 company records, followed by New Delhi (5) and Orlando (4).
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 420 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 25, 2026.
Ready to reach these companies? Verified emails and direct dials for all 420 electronic mailboxes suppliers worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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 electronic mailboxes suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 420 matching company records for electronic mailboxes suppliers worldwide, with 3,560 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 25, 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 electronic mailboxes suppliers 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 | Fastmailfastmail.com HQ: Melbourne, AustraliaReported employees: Not recorded | Melbourne, Australia | Not recorded | Exact match | 296 contacts → |
“Fastmail is email, just better!” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Sinch Mailgunmailgun.comHQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 189 contacts → |
“Sinch Mailgun is the leading email delivery service for businesses around the world.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Titan Emailtitan.emailHQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 157 contacts → |
“Titan is an email suite built specifically for professionals and small businesses.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ipostal1ipostal1.comHQ: Suffern, NY, United StatesReported employees: 51-200 | Suffern, NY, United States | 51-200 | Exact match | 124 contacts → |
“iPostal1 is the leading digital mailbox service offering customers a real street address in any of our more than 4,250 mailbox locations internationally for receipt of their…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Bluetie, INCbluetie.comHQ: Rochester, NY, United StatesReported employees: 11-50 | Rochester, NY, United States | 11-50 | Exact match | 53 contacts → |
“Business Email Accounts, Calendaring, Contacts and Collaboration Services for Your Business from BlueTie.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Erwin Renz Metallwarenfabrik Gmbh & CO KGrenzgroup.com HQ: Kirchberg/murr, GermanyReported employees: 501-1,000 | Kirchberg/murr, Germany | 501-1,000 | Exact match | 52 contacts → |
“Impressum:” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  HALONhalon.ioHQ: Gothenburg, SwedenReported employees: 51-200 | Gothenburg, Sweden | 51-200 | Exact match | 49 contacts → |
“At Halon, our mission is straightforward, yet powerful and complex: empower businesses through dynamic email operations.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Message Systemsmessagesystems.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 36 contacts → |
“Message Systems is the world’s #1 email infrastructure provider.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: IndiaReported employees: 11-50 | India | 11-50 | Exact match | 35 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Boxitoboxito.com.mx HQ: MexicoReported employees: 11-50 | Mexico | 11-50 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Axigen Messagingaxigen.com HQ: Bucharest, RomaniaReported employees: 11-50 | Bucharest, Romania | 11-50 | Exact match | 26 contacts → |
“At Axigen, we work with communication service providers around the world to improve their customer's loyalty, increase their brand stickiness, and guarantee data sovereignty for…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Tizzy Cloud Computing Private Limitedtizzycloud.comHQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 19 contacts → |
“Tizzy® Mail users will not have to worry for issues like delayed emails or not receiving incoming emails, spam mail issue, IP blacklisting, DNS-related issues, Email spoofing…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Renz A Srenzgroup.dk HQ: Greve, DenmarkReported employees: 11-50 | Greve, Denmark | 11-50 | Exact match | 18 contacts → |
“De højeste kvalitetsstandarder og løbende innovation – denne røde tråd i vores produktfilosofi har sammen med god kundeservice placeret Renz blandt de førende i den tyske og…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Smtp2gosmtp2go.com HQ: Christchurch, New ZealandReported employees: 11-50 | Christchurch, New Zealand | 11-50 | Exact match | 16 contacts → |
“Email deliverability matters.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Duocircleduocircle.comHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 14 contacts → |
“Reliable and Secure email hosting services for SMB and Enterprise.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  SOOMAsooma.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Sooma provides enhanced messaging services to Telcos, Service Providers, VARs, Carriers, and corporations on an outsourcing basis.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Mail2world, INCmail2world.netHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 12 contacts → |
“Mail2World designs, delivers and supports a technology-leading and award-winning suite of carrier-class, Web-based email messaging and collaboration services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Yukthi Systems Private Limitedyukthi.comHQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 12 contacts → |
“Yukthi Systems is a Bangalore based company, providing industry leading email services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cumulo9 Limitedcumulo9.comHQ: Auckland Cbd, New ZealandReported employees: 1-10 | Auckland Cbd, New Zealand | 1-10 | Exact match | 11 contacts → |
“Cumulo9 provides transformational business email services for delivering transactional email documents, marketing campaigns and tracked email signatures.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  E.M. Technologies India Pvt. LTDemtindia.comHQ: Ghaziabad, IndiaReported employees: 11-50 | Ghaziabad, India | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 420 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Electronic mailboxes suppliers: dataset insights
October 25, 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
414 records in the displayed employee bands.
6 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 420 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 25, 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 ↗
Electronic mailboxes suppliers by location
1 lists · largest firstEvery Electronic mailboxes suppliers 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 electronic mailboxes suppliers?
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 electronic mailboxes suppliers did RevenueBase find worldwide?
The saved snapshot records 420 matching company records, 3,560 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 25, 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.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 electronic mailboxes suppliers worldwide. Snapshot: October 25, 2026. https://revenuebase.ai/companies/browse/electronic-mailboxes-suppliers.
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 electronic mailboxes suppliers worldwide
RevenueBase records 420 matching company records for electronic mailboxes suppliers worldwide, with 3,560 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 25, 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 electronic mailboxes suppliers 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 | Fastmailfastmail.com HQ: Melbourne, AustraliaReported employees: Not recorded | Melbourne, Australia | Not recorded | Exact match | 296 contacts → |
“Fastmail is email, just better!” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sinch Mailgunmailgun.com HQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 189 contacts → |
“Sinch Mailgun is the leading email delivery service for businesses around the world.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Titan Emailtitan.email HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 157 contacts → |
“Titan is an email suite built specifically for professionals and small businesses.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ipostal1ipostal1.com HQ: Suffern, NY, United StatesReported employees: 51-200 | Suffern, NY, United States | 51-200 | Exact match | 124 contacts → |
“iPostal1 is the leading digital mailbox service offering customers a real street address in any of our more than 4,250 mailbox locations internationally for receipt of their…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bluetie, INCbluetie.com HQ: Rochester, NY, United StatesReported employees: 11-50 | Rochester, NY, United States | 11-50 | Exact match | 53 contacts → |
“Business Email Accounts, Calendaring, Contacts and Collaboration Services for Your Business from BlueTie.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Erwin Renz Metallwarenfabrik Gmbh & CO KGrenzgroup.com HQ: Kirchberg/murr, GermanyReported employees: 501-1,000 | Kirchberg/murr, Germany | 501-1,000 | Exact match | 52 contacts → |
“Impressum:” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HALONhalon.io HQ: Gothenburg, SwedenReported employees: 51-200 | Gothenburg, Sweden | 51-200 | Exact match | 49 contacts → |
“At Halon, our mission is straightforward, yet powerful and complex: empower businesses through dynamic email operations.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Message Systemsmessagesystems.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 36 contacts → |
“Message Systems is the world’s #1 email infrastructure provider.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: IndiaReported employees: 11-50 | India | 11-50 | Exact match | 35 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Boxitoboxito.com.mx HQ: MexicoReported employees: 11-50 | Mexico | 11-50 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Axigen Messagingaxigen.com HQ: Bucharest, RomaniaReported employees: 11-50 | Bucharest, Romania | 11-50 | Exact match | 26 contacts → |
“At Axigen, we work with communication service providers around the world to improve their customer's loyalty, increase their brand stickiness, and guarantee data sovereignty for…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tizzy Cloud Computing Private Limitedtizzycloud.com HQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 19 contacts → |
“Tizzy® Mail users will not have to worry for issues like delayed emails or not receiving incoming emails, spam mail issue, IP blacklisting, DNS-related issues, Email spoofing…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Renz A Srenzgroup.dk HQ: Greve, DenmarkReported employees: 11-50 | Greve, Denmark | 11-50 | Exact match | 18 contacts → |
“De højeste kvalitetsstandarder og løbende innovation – denne røde tråd i vores produktfilosofi har sammen med god kundeservice placeret Renz blandt de førende i den tyske og…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Smtp2gosmtp2go.com HQ: Christchurch, New ZealandReported employees: 11-50 | Christchurch, New Zealand | 11-50 | Exact match | 16 contacts → |
“Email deliverability matters.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Duocircleduocircle.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 14 contacts → |
“Reliable and Secure email hosting services for SMB and Enterprise.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SOOMAsooma.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Sooma provides enhanced messaging services to Telcos, Service Providers, VARs, Carriers, and corporations on an outsourcing basis.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mail2world, INCmail2world.net HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 12 contacts → |
“Mail2World designs, delivers and supports a technology-leading and award-winning suite of carrier-class, Web-based email messaging and collaboration services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Yukthi Systems Private Limitedyukthi.com HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 12 contacts → |
“Yukthi Systems is a Bangalore based company, providing industry leading email services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cumulo9 Limitedcumulo9.com HQ: Auckland Cbd, New ZealandReported employees: 1-10 | Auckland Cbd, New Zealand | 1-10 | Exact match | 11 contacts → |
“Cumulo9 provides transformational business email services for delivering transactional email documents, marketing campaigns and tracked email signatures.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | E.M. Technologies India Pvt. LTDemtindia.com HQ: Ghaziabad, IndiaReported employees: 11-50 | Ghaziabad, India | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 420 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Electronic mailboxes suppliers: dataset insights
October 25, 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
414 records in the displayed employee bands.
6 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 420 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 25, 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 ↗
Electronic mailboxes suppliers by location
1 lists · largest firstEvery Electronic mailboxes suppliers 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 electronic mailboxes suppliers?
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 electronic mailboxes suppliers did RevenueBase find worldwide?
The saved snapshot records 420 matching company records, 3,560 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 25, 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.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 electronic mailboxes suppliers worldwide. Snapshot: October 25, 2026. https://revenuebase.ai/companies/browse/electronic-mailboxes-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗