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Email Deliverability

Q: How many companies use Email Deliverability software these days?

Around the world in 2026, over 4,415 companies are currently using one or more Email Deliverability software. Out of these, there are 2,659 companies using Email Deliverability tools that are originally from the United States.

Q: Which company has the most significant market share in the Email Deliverability software space?

The top few companies that have the most significant market share in the Email Deliverability space are Litmus with 28.29% of market share, SquirrelMail with 18.45% of market share, SocketLabs with 14.25% of market share. Check for other Email Deliverability technologies market share here.

Q: What are the top industries that usually use Email Deliverability softwares?

The top industries that use Email Deliverability software are Email Marketing (180), Digital Marketing (166), Marketing (133).

Gain market share and customer base information about the top Email Deliverability software. Check out our list of Email Deliverability Software, analyze them by marketshare, region, company size along with information about competitors, prospects, tech stacks, funding information, contract renewal dates and more.

Technologies Tracked

5213

Companies Tracked

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Campaign Management

Top 5 Email Deliverability technologies in 2026

Over 5213 companies are using Email Deliverability tools. Litmus with 28.29% market share (1475 customers), SquirrelMail with 18.45% market share (962 customers), SocketLabs with 14.25% market share (743 customers).

Technology

Market Share (Est.)

Customers

Litmus

28.29%

1475

SquirrelMail

18.45%

962

SocketLabs

14.25%

743

Email On Acid

5.54%

289

SparkPost

4.53%

236

Others

28.93%

1508

Email Deliverability Customers by Employee Size

The majority of Email Deliverability category falls in the company size of 0 - 9 employees (932 companies), 20 - 49 employees (888 companies), 100 - 249 employees (806 companies).

Employee Size

Email Deliverability Customers by Geography

Companies using Email Deliverability technology software are majorly from the United States with 2659 (63.78%), United Kingdom with 427 (10.24%), India with 290 (6.96%) customers respectively.

Customers

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Email Deliverability Customers by Industry

Top industries that use Email Deliverability for Email Marketing (180), Digital Marketing (166), Marketing (133).

Customers

Market Share for Top Email Deliverability Technologies

Analyze the market share of popular Email Deliverability technologies along with information about competitors, prospects, tech stacks, funding information, contract renewal dates and more

Ranking	Technology	Customers	Market share(Est.)(%)
1	Litmus	1475	28.29
2	SquirrelMail	962	18.45
3	SocketLabs	743	14.25
4	Email On Acid	289	5.54
5	SparkPost	236	4.53
6	MasterBase	205	3.93
7	PowerMTA	200	3.84
8	WhatCounts	183	3.51
9	Pepipost	146	2.80
10	Postmark	138	2.65
11	SMTP2GO	132	2.53
12	Mailtrap	97	1.86
13	Netcore Email API	96	1.84
14	250ok	64	1.23
15	SMTP.com	43	0.82
16	BriteVerify	38	0.73
17	DataValidation	32	0.61
18	CritSend	22	0.42
19	turboSMTP	22	0.42
20	EmailDelivered	20	0.38
21	eDataSource	16	0.31
22	Email List Verify	11	0.21
23	EmailSuccess	10	0.19
24	SendForensics	8	0.15
25	InboxFirst	7	0.13
26	VoloMP	6	0.12
27	WeDeliver.Email	4	0.08
28	Inboxman	4	0.08
29	DYN Email Delivery	2	0.04
30	MailGems	2	0.04

FAQ

Find answers to the most often asked questions by users.

Who are the top Email Deliverability software market leaders?

Top leaders in the category for Email Deliverability software are Litmus, SquirrelMail, SocketLabs. Here, you can view a full list of Email Deliverability tools in the market.