image

Postini

thumbs_up

thumbs_down

Postini is a cloud computing service that provides spam and malware email filtering with optional email archiving service.

Email Security
icon

Market Share of Postini

Current Customer(s)

2163

Market Share (Est.)

0.29%

Ranking

#24

Top Competitors and Alternatives of Postini

The top three of Postini’s competitors in the Email Security category are Proofpoint with 44.11%, SendinBlue with 12.49%, MailChannels with 8.04% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Proofpoint32475744.11%Postini vs Proofpoint
SendinBlue9193112.49%Postini vs SendinBlue
MailChannels591658.04%Postini vs MailChannels
Appriver404335.49%Postini vs Appriver
SpamExperts Email Archiving332254.51%Postini vs SpamExperts Email Archiving
Hornetsecurity Spamfilter321034.36%Postini vs Hornetsecurity Spamfilter
Campaign Monitor220743.00%Postini vs Campaign Monitor
Trend Micro ScanMail145881.98%Postini vs Trend Micro ScanMail
Mimecast143401.95%Postini vs Mimecast
Mimecast Gateway141231.92%Postini vs Mimecast Gateway
Symantec Email Security93511.27%Postini vs Symantec Email Security
Vade Secure81941.11%Postini vs Vade Secure
ArcTitan by TitanHQ62710.85%Postini vs ArcTitan by TitanHQ
Securence50280.68%Postini vs Securence
Forcepoint Triton APX45650.62%Postini vs Forcepoint Triton APX
Zoho Campaigns44570.61%Postini vs Zoho Campaigns
MX Guarddog35170.48%Postini vs MX Guarddog
Sophos Email Gateway29640.40%Postini vs Sophos Email Gateway
FireEye Email Security26910.37%Postini vs FireEye Email Security
Barracuda Email Security Gateway25180.34%Postini vs Barracuda Email Security Gateway
image

Popular Comparisons

Top Competitors and Alternatives of Postini

The top three of Postini’s competitors in the Email Security category are Proofpoint with 44.11%, SendinBlue with 12.49%, MailChannels with 8.04% market share.

Postini vs Proofpoint

arrow_icon

Postini vs SendinBlue

arrow_icon

Postini vs MailChannels

arrow_icon

Postini vs Appriver

arrow_icon

Postini vs SpamExperts Email Archiving

arrow_icon

Postini vs Hornetsecurity Spamfilter

arrow_icon

Postini vs Campaign Monitor

arrow_icon

Postini vs Trend Micro ScanMail

arrow_icon

Customers of Postini

Around the world in 2025, over 2094 companies have started using Postini as Email Security tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Starbucks10,000+SeattleWashingtonUnited States
social_iconsocial_iconsocial_iconsocial_icon
Ogilvy10,000+New York CityNew YorkUnited States
social_iconsocial_iconsocial_iconsocial_icon
Infosys10,000+BengaluruKarnatakaIndia
social_iconsocial_iconsocial_icon
EPAM Systems10,000+NewtownPennsylvaniaUnited States
social_iconsocial_iconsocial_icon
Elsevier10,000+New York CityNew YorkUnited States
social_iconsocial_iconsocial_iconsocial_icon
The Toronto - Dominion Bank10,000+TorontoOntarioCanada
social_iconsocial_iconsocial_iconsocial_icon
Lexmark10,000+Lexington-FayetteKentuckyUnited States
social_iconsocial_iconsocial_iconsocial_icon
Baker McKenzie10,000+ChicagoIllinoisUnited States
social_iconsocial_iconsocial_iconsocial_icon
SONDA10,000+SantiagoSantiago MetropolitanChile
social_iconsocial_iconsocial_icon
Burlington Stores, Inc.10,000+BurlingtonNew JerseyUnited States
social_iconsocial_iconsocial_iconsocial_icon

Uncover hidden demand and identify accounts ready to buy with 6sense Intent Data.

Get a demoKnow More
Company Logo

Postini Customers by Products and Services

The top three products and services offering customers that use Postini for Email Security are Cloud Services (21), Managed Services (16), Data Analytics (15).

Customers

Download the 6sense Chrome Extension to get verified contact data of Postini employees

Install Now
Company Logo

Postini Customers by Employee Size

The majority of Postini's customers for the email-security category fall in the company size of 0 - 9 employees (705 companies), 20 - 49 employees (369 companies), 100 - 249 employees (258 companies).

Employee Size

Postini Customers by Geography

The top three geographies of Postini for email-security are the United States with 1309(69.08%), Germany with 225(11.87%), United Kingdom with 111(5.86%) customers respectively.

Customers

Employees of Postini

image

Also see other Products/Services by Postini in:

Email Security

FAQ

Find answers to the most often asked questions by users.

Who are the top Postini competitors?

Postini’s Top competitors in the email-security category are Proofpoint, SendinBlue, MailChannels. You can view a full list of Postini competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Postini and 40,000 other technologies on the internet. You can also compare Postini and its feature with top competitors here : Postini vs Proofpoint Postini vs SendinBlue Postini vs MailChannels.

faq icon

What is Postini customer distribution based on company size?

faq icon

What is Postini market share in the email-security?

faq icon

What are the top countries that use Postini?

faq icon

What are the top industries that use Postini?

faq icon

Get everything in one place

Close deals faster by understanding your clients well. Know their technology stack, contract renewal date, top decision-makers, hiring trends, and top company news in one place.

Get a demo

Get instant access to B2B contact data across the web

Sign Up Today
6sense Logo
social iconssocial iconssocial iconssocial icons
MarketingAccount IdentificationIntent DataData Enrichment & ManagementPredictive AnalyticsOrchestrations & WorkflowsAudience BuildingAdvertisingConversational EmailPipeline IntelligenceIntegrations
SolutionsBusiness ServicesFinancial ServicesTransportation & LogisticsManufacturingTechnologyCustomersMeet Our CustomersCustomer StoriesCustomer ReviewsRevCityKnowledge Base

Company

AboutLeadership TeamCareersNewsroomCommunity

Browse 6sense Data

TechnographicsComparing TechnologiesCompany SearchPeople Search
TermsPrivacy PolicyPrivacy CenterDo Not Sell or Share My Personal Information

© 2025 6sense