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FastMail

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FastMail delivers security, privacy and reliability for your email, calendars and contacts.

Hosted Email
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Market Share of FastMail

Current Customer(s)

20165

Market Share (Est.)

0.20%

Ranking

#18

Top Competitors and Alternatives of FastMail

The top three of FastMail’s competitors in the Hosted Email category are Microsoft Outlook with 39.88%, Microsoft Exchange Online with 39.13%, 1&1 Email with 4.30% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Microsoft Outlook405362739.88%FastMail vs Microsoft Outlook
Microsoft Exchange Online397741439.13%FastMail vs Microsoft Exchange Online
1&1 Email4375764.30%FastMail vs 1&1 Email
Strato3292493.24%FastMail vs Strato
SiteGround Email Hosting3146373.10%FastMail vs SiteGround Email Hosting
Zoho Mail2329112.29%FastMail vs Zoho Mail
One.com Email Hosting1901381.87%FastMail vs One.com Email Hosting
Rackspace Email1152361.13%FastMail vs Rackspace Email
Namecheap Private Email844590.83%FastMail vs Namecheap Private Email
Network Solutions Email683420.67%FastMail vs Network Solutions Email
GandiMail598510.59%FastMail vs GandiMail
Infomaniak E-mail551720.54%FastMail vs Infomaniak E-mail
Yandex Mail430650.42%FastMail vs Yandex Mail
ProtonMail289780.29%FastMail vs ProtonMail
United Domains Email237920.23%FastMail vs United Domains Email
123-reg Email Hosting207150.20%FastMail vs 123-reg Email Hosting
Names Email Hosting203370.20%FastMail vs Names Email Hosting
Soverin182200.18%FastMail vs Soverin
Aliyun Mail175860.17%FastMail vs Aliyun Mail
LCN Email100150.10%FastMail vs LCN Email
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Popular Comparisons

Top Competitors and Alternatives of FastMail

The top three of FastMail’s competitors in the Hosted Email category are Microsoft Outlook with 39.88%, Microsoft Exchange Online with 39.13%, 1&1 Email with 4.30% market share.

FastMail vs Microsoft Outlook

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FastMail vs Microsoft Exchange Online

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FastMail vs 1&1 Email

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FastMail vs Strato

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FastMail vs SiteGround Email Hosting

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FastMail vs Zoho Mail

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FastMail vs One.com Email Hosting

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FastMail vs Rackspace Email

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Customers of FastMail

Around the world in 2025, over 19994 companies have started using FastMail as Hosted Email tool.

CustomersEmployee RangeCityRegionCountrySocial Links
YouSee10,000+CopenhagenCapital RegionDenmark
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MyBib10,000+North BergenNew JerseyUnited States
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edan.io10,000+HoustonTexasUnited States
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Protoplanetary10,000+ChicagoIllinoisUnited States
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World Patent Marketing10,000+Miami BeachFloridaUnited States
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Democrats Abroad5,000 - 9,999Washington, D.C.Washington, D.C.United States
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HOTSYK1,000 - 4,999South San FranciscoCaliforniaUnited States
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BarCamp Brasil1,000 - 4,999Brazil
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Linux Australia1,000 - 4,999SydneyNew South WalesAustralia
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Associated Press Stylebook1,000 - 4,999BostonMassachusettsUnited States
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FastMail Customers by Products and Services

The top three products and services offering customers that use FastMail for Hosted Email are Web Development (121), Web Design (103), Graphic Design (76).

Customers

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FastMail Customers by Employee Size

The majority of FastMail's customers for the hosted-email category fall in the company size of 0 - 9 employees (12500 companies), 10 - 19 employees (2741 companies), 20 - 49 employees (2347 companies).

Employee Size

FastMail Customers by Geography

The top three geographies of FastMail for hosted-email are the United States with 11060(63.08%), United Kingdom with 2036(11.61%), Australia with 1395(7.96%) customers respectively.

Customers

Employees of FastMail

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Also see other Products/Services by FastMail in:

Hosted Email

FAQ

Find answers to the most often asked questions by users.

Who are the top FastMail competitors?

FastMail’s Top competitors in the hosted-email category are Microsoft Outlook, Microsoft Exchange Online, 1&1 Email. You can view a full list of FastMail competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of FastMail and 40,000 other technologies on the internet. You can also compare FastMail and its feature with top competitors here : FastMail vs Microsoft Outlook FastMail vs Microsoft Exchange Online FastMail vs 1&1 Email.

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What is FastMail customer distribution based on company size?

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What is FastMail market share in the hosted-email?

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What are the top countries that use FastMail?

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What are the top industries that use FastMail?

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