How many companies use MailChannels?

TechLeads currently detects MailChannels on 136,026 websites.

Who are MailChannels's biggest competitors?

By number of websites, the largest Transactional Email technologies besides MailChannels are Mailgun (665,277), Amazon SES (634,790), Sendgrid (522,135), MailJet (183,301), SparkPost (82,458).

Which companies use MailChannels?

Websites using MailChannels include anyflip.com, libsdl.org, getbutterfly.com, dmdavid.com, bethkanter.org, halgatewood.com. The full list of 136,026 websites can be exported as a CSV for $29.

MailChannels market share and customers

As of October 9, 2026, MailChannels is used by 136,026 websites in the TechLeads index: 6.1% of all Transactional Email detections, the 5th most-used of 46 Transactional Email technologies.

136,026

websites using MailChannels

6.1%

share of Transactional Email

of 46 in Transactional Email

Cite this data

Quoting these numbers? Credit TechLeads with a link to this page.

Citation

TechLeads. "MailChannels Customers and Market Share." Data as of October 9, 2026. https://techleads.fyi/technology/mailchannels/market-share

HTML link

<a href="https://techleads.fyi/technology/mailchannels/market-share">MailChannels market share (TechLeads data)</a>

MailChannels vs competitors in Transactional Email

Websites using each technology in the TechLeads index, and its share of all Transactional Email detections.

#	Technology	Websites	Share
1	Mailgun	665,277	29.4%
2	Amazon SES	634,790	28.0%
3	Sendgrid	522,135	23.0%
4	MailJet	183,301	8.1%
5	MailChannels	136,026	6.1%
6	SparkPost	82,458	3.6%
7	Constant Contact Mail	18,039

MailChannels customers by country

Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.

US115
GB15
BR5
PT3
AU3
ZA2
FR2
CO1
TW1
CZ1

Companies using MailChannels

anyflip.com
libsdl.org
getbutterfly.com · getButterfly
dmdavid.com
bethkanter.org · Bethkanter
halgatewood.com · Halgatewood
greenteapress.com
emojifinder.com
worldofsucculents.com · World of Succulents
analytify.io · Analytify LLC
atomicarchive.com
infolific.com

See all 136,026 websites using MailChannels or download the full list as a CSV for $29.

How these numbers are calculated

TechLeads scans public websites and detects MailChannels from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is MailChannels's website count divided by the website counts of all Transactional Email technologies we track; a site using two Transactional Email tools counts for both. Counts were last refreshed on October 9, 2026 and update daily.

FAQ

MailChannels accounts for 6.1% of Transactional Email detections in the TechLeads index (136,026 websites), which makes it the 5th most-used of 46 Transactional Email technologies we track.