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Best Transactional Email in 2026
Ranked by how many of the 3,612 websites we scan use each one right now.
- 1
Amazon SES1,177 sites (33%), paidVisit ↗ - 2Resend867 sites (24%), freemiumVisit ↗
- 3
Twilio SendGrid465 sites (13%), freemiumVisit ↗ - 4Brevo (Sendinblue)256 sites (7%), freemiumVisit ↗
- 5Mailchimp Transactional (Mandrill)240 sites (7%), paidVisit ↗
- 6Mailgun239 sites (7%), freemiumVisit ↗
- 7
MailerSend179 sites (5%), freemiumVisit ↗ - 8
Mailjet165 sites (5%), freemiumVisit ↗ - 9
Mailtrap Email Sending134 sites (4%), freemiumVisit ↗ - 10SparkPost (Bird)130 sites (4%), paidVisit ↗
- 11
MailPace124 sites (3%), paidVisit ↗ - 12Postal124 sites (3%), open-sourceVisit ↗
- 13
Postmark25 sites (0.7%), paidVisit ↗ - 14
MailChannels9 sites (0.2%), paidVisit ↗ - 15Elastic Email8 sites (0.2%), freemiumVisit ↗
- 16Zoho ZeptoMail5 sites (0.1%), paidVisit ↗
- 17
Customer.io4 sites (0.1%), paidVisit ↗ - 18
SendPulse1 site (0.0%), freemiumVisit ↗