image

Mailtrap

thumbs_up

thumbs_down

Mailtrap is a test mail server solution that allows testing email notifications without sending them to the real users of your application.

Email Deliverability
icon

Market Share of Mailtrap

Current Customer(s)

97

Market Share (Est.)

1.86%

Ranking

#12

Top Competitors and Alternatives of Mailtrap

The top three of Mailtrap’s competitors in the Email Deliverability category are Litmus with 28.29%, SquirrelMail with 18.45%, SocketLabs with 14.25% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Litmus147528.29%Mailtrap vs Litmus
SquirrelMail96218.45%Mailtrap vs SquirrelMail
SocketLabs74314.25%Mailtrap vs SocketLabs
Email On Acid2895.54%Mailtrap vs Email On Acid
SparkPost2364.53%Mailtrap vs SparkPost
MasterBase2053.93%Mailtrap vs MasterBase
PowerMTA2003.84%Mailtrap vs PowerMTA
WhatCounts1833.51%Mailtrap vs WhatCounts
Pepipost1462.80%Mailtrap vs Pepipost
Postmark1382.65%Mailtrap vs Postmark
SMTP2GO1322.53%Mailtrap vs SMTP2GO
Netcore Email API961.84%Mailtrap vs Netcore Email API
250ok641.23%Mailtrap vs 250ok
SMTP.com430.82%Mailtrap vs SMTP.com
BriteVerify380.73%Mailtrap vs BriteVerify
DataValidation320.61%Mailtrap vs DataValidation
CritSend220.42%Mailtrap vs CritSend
turboSMTP220.42%Mailtrap vs turboSMTP
EmailDelivered200.38%Mailtrap vs EmailDelivered
eDataSource160.31%Mailtrap vs eDataSource
image

Popular Comparisons

Top Competitors and Alternatives of Mailtrap

The top three of Mailtrap’s competitors in the Email Deliverability category are Litmus with 28.29%, SquirrelMail with 18.45%, SocketLabs with 14.25% market share.

Mailtrap vs Litmus

arrow_icon

Mailtrap vs SquirrelMail

arrow_icon

Mailtrap vs SocketLabs

arrow_icon

Mailtrap vs Email On Acid

arrow_icon

Mailtrap vs SparkPost

arrow_icon

Mailtrap vs MasterBase

arrow_icon

Mailtrap vs PowerMTA

arrow_icon

Mailtrap vs WhatCounts

arrow_icon

Customers of Mailtrap

Around the world in 2026, over 97 companies have started using Mailtrap as Email Deliverability tool.

CustomersEmployee RangeCityRegionCountrySocial Links
EPAM Systems10,000+NewtownPennsylvaniaUnited States
social_iconsocial_iconsocial_iconsocial_icon
Siemens10,000+MunichBavariaGermany
social_iconsocial_iconsocial_iconsocial_icon
California State University, San Bernardino10,000+San BernardinoCaliforniaUnited States
social_iconsocial_iconsocial_iconsocial_icon
Atlassian10,000+SydneyNew South WalesAustralia
social_iconsocial_iconsocial_iconsocial_icon
Tata Consultancy Services10,000+MumbaiMaharashtraIndia
social_iconsocial_iconsocial_iconsocial_icon
Papa Johns10,000+AtlantaGeorgiaUnited States
social_iconsocial_iconsocial_iconsocial_icon
Inetum10,000+Saint-OuenIle-de-FranceFrance
social_iconsocial_iconsocial_iconsocial_icon
PayPal10,000+San JoseCaliforniaUnited States
social_iconsocial_iconsocial_iconsocial_icon
ShortURL.at10,000+Austria
social_iconsocial_iconsocial_iconsocial_icon
GitHub5,000 - 9,999San FranciscoCaliforniaUnited 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

Mailtrap Customers by Products and Services

The top three products and services offering customers that use Mailtrap for Email Deliverability are Web Development (7), Consulting (4), Software Development (4).

Customers

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

Install Now
Company Logo

Mailtrap Customers by Employee Size

The majority of Mailtrap's customers for the email-deliverability category fall in the company size of 100 - 249 employees (30 companies), 20 - 49 employees (19 companies), 10,000+ employees (10 companies).

Employee Size

Mailtrap Customers by Geography

The top three geographies of Mailtrap for email-deliverability are the United States with 35(46.05%), United Kingdom with 8(10.53%), India with 7(9.21%) customers respectively.

Customers

Employees of Mailtrap

image

Also see other Products/Services by Mailtrap in:

Email Deliverability

FAQ

Find answers to the most often asked questions by users.

Who are the top Mailtrap competitors?

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

faq icon

What is Mailtrap customer distribution based on company size?

faq icon

What is Mailtrap market share in the email-deliverability?

faq icon

What are the top countries that use Mailtrap?

faq icon

What are the top industries that use Mailtrap?

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

© 2026 6sense