Email

These are the top Email technologies based on market share in 2026.

# Technology Websites tracked Market share
1
Microsoft 365
4,700,000
41%
2
Google Workspace
4,500,000
40%
3
MailChimp
520,000
5%
4
Sendgrid
400,000
3%
5
Mailgun
360,000
3%
6
Amazon SES
280,000
2%
7
Mailjet
160,000
1%
8
Sendinblue
130,000
1%
9
MailerLite
56,000
0.5%
10
ActiveCampaign
40,000
0.4%

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Websites in United Kingdom

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Websites in United States

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Companies with emails and phone numbers

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Top 5,000 websites by traffic

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Websites with a .com domain

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5,000 low-traffic websites

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