When was Mailgun founded?

Mailgun was founded in 2010 and raised its 1st funding round 1 year after it was founded.

Where is Mailgun located?

Mailgun is headquartered in San Francisco, United States. It is registered at San Antonio, Texas.

How many employees does Mailgun have?

As of Jun 30, 2026, the latest employee count at Mailgun is 187.

Is Mailgun a funded company?

Mailgun is a funded company, having raised a total of $51.1M across 4 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Mar 27, 2011.

When was the latest funding round of Mailgun?

Mailgun's latest funding was a $***** Series B round on Feb 22, 2017, with participation from 3 investors.

Where does Mailgun rank among its competitors?

Mailgun ranks 1st amongst 100 active competitors, only 1 of which is funded. SparkPost, which secured $180M in Jan, 2021.

Who are the top competitors of Mailgun?

Mailgun's top competitors include SparkPost, Message Bus and Woodpecker. Among them, SparkPost secured the most recent funding round in January, 2021.

Mailgun - 2026 Company Profile, Team, Funding & Competitors

Mailgun is an acquired company based in San Francisco (United States), founded in 2010 by Taylor Wakefield. It operates as an API for transactional email campaigns. Mailgun has raised $51.1M in funding from investors like Y Combinator, Zillionize and Turn/River. The company has 100 active competitors, including 1 funded and 7 that have exited. Its top competitors include companies like SparkPost, Message Bus and Woodpecker.

Company Details

Mailgun has developed an API for developing and creating online email inboxes for apps and websites. With a single API call, it can send upto 1000 personalized emails with spam and bounce handling, detailed log and analytics. With email parsing engine it manages incoming emails to filter out spams, text part seperation from HTML only emails. Webhooks can be set up to receive real time notifications. With email validation API, it programmatically catch typos in email addresses submitted by users.

Website: mailgun.com
Social
Registered Address: San Antonio, Texas

Key Metrics

Founded Year

2010

Location

San Francisco, United States

Stage

Acquired

Total Funding

$51.1M in 4 rounds

Latest Funding Round

Series B, Feb 22, 2017, $*****

Investors

Y Combinator & 10 more

Ranked

1^st among 100 active competitors

Employee Count

187 as on Jun 30, 2026

Investment & Acquisitions

Mailjet

Similar Companies

SparkPost & 120 more

Exit Details

Acquired by Thoma Bravo (Mar 26, 2019)

View Mailgun's full profile

Mailgun is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
MAILGUN TECHNOLOGIES, INC. CIN: 815151296 , United States, Active	Dec 26, 999	-	52 (As on Dec 31, 2021)	-
Mailjet GmbH CIN: F1103_HRB156505B , Germany, Active	Feb 22, 2014	-	-

Mailgun got acquired by Thoma Bravo on Mar 26, 2019.

Click here to take a look at Mailgun's acquisition in detail

Mailgun has raised a total funding of $51.1M over 4 rounds. Its first funding round was on Mar 27, 2011. Its latest funding round was a Series B round on Feb 22, 2017 for $*****. 3 investors participated in its latest round. Mailgun has 9 institutional investors and 2 angel investors.

Here is the list of recent funding rounds of Mailgun:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Feb 22, 2017	3794309	Series B	5286901	3648139	5641507	1628323
2011	9478	Seed	5587	3628	9425	4214
May 13, 2011	9403951	Seed	9073961	7075678	9626302	SV Angel & 2 more

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View details of Mailgun's funding rounds and investors

The founders of Mailgun is Taylor Wakefield.

Here are the details of Mailgun's key team members:

Taylor Wakefield: Co-Founder of Mailgun.

View details of Mailgun's Founder profiles and Board Members

Mailgun's employee count trend

Mailgun has 187 employees as of Jun 26. Here is Mailgun's employee count trend over the years:

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Top competitors of Mailgun include SparkPost, Message Bus and Woodpecker. Here is the list of Top 10 competitors of Mailgun, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Mailgun 2010, San Francisco (United States), Acquired	API for transactional email campaigns	$51.1M	Zillionize, Spider Capital & 9 others	69/100
2nd	SparkPost 2011, Columbia (United States), Acquired	Cloud based transactional email delivery platform	$259M	PNC, LLR Partners & 4 others	57/100
3rd	Message Bus 2010, Corte Madera (United States), Acquired	Cloud-Native Messaging service.	$18.3M	True Ventures, Polaris Partners & 6 others	42/100
4th	Woodpecker 2015, Wroclaw (Poland), Public	Email marketing automation platform for businesses	-	Xevin Investments	42/100
5th	GoReminders 2013, New York City (United States), Unfunded	Provider of appointment scheduling and automated reminder system via text	-	-	38/100
6th	SMTP 1998, Gainesville (United States), Unfunded	Email delivery platform for transactional and marketing emails with high deliverability	-	-	35/100
7th	SimpleMail 2022, Ringwood East (Australia), Unfunded	AI based transactional email solutions for enterprises	-	-	32/100
8th	DailyMails 2017, Noida (India), Unfunded	Email marketing platform	-	-	32/100
9th	SmartSender 2016, Tallinn (Estonia), Unfunded	Cloud based transactional email platform	-	-	32/100
10th	QuickMail 2014, Zurich (Switzerland), Unfunded	Email automation tool for businesses	-	-	30/100