A Transactional Email is one which is sent to a specific user in response to an action taken by the user. Although it is often related to a transaction such as an online order, it can also be related to other user actions such as registration on a company's portal, download of a whitepaper from a website, providing feedback using a web form etc. The products and technologies under this category provide a service or an API that can be integrated within an application to enable you to reliably send transactional emails.
At enlyft, we use sophisticated, patent-pending algorithms to track the use of various Transactional Email products and technologies. We track 29 products in the Transactional Email category, and have found 2,154,518 companies using these products.
| Product |
Install base
# of companies we found using this product |
Market Share |
|---|---|---|
| SendGrid | 561,036 | 26% |
| Mandrill | 537,330 | 24% |
| Rackspace Mailgun | 250,575 | 11% |
| Amazon SES | 217,265 | 10% |
| SendinBlue | 184,362 | 8% |
| MailJet | 154,838 | 7% |
| Elastic Email | 84,266 | < 5% |
| SparkPost | 33,300 | < 5% |
| Postmark | 26,268 | < 5% |
| Acymailing | 25,730 | < 5% |
| AuthSMTP | 16,478 | < 5% |
| SMTP.com | 13,533 | < 5% |
| turboSMTP | 13,382 | < 5% |
| MailUp | 11,737 | < 5% |
| Avis Verifies | 6,222 | < 5% |
| SocketLabs | 5,509 | < 5% |
| Customer.io | 2,683 | < 5% |
| SMTP Express | 2,275 | < 5% |
| Alibaba Cloud DirectMail | 1,814 | < 5% |
| Retarus | 1,082 | < 5% |
| Pepipost | 1,045 | < 5% |
| MessageGears | 1,035 | < 5% |
| Tipimail | 962 | < 5% |
| Experian CheetahMail | 790 | < 5% |
| CritSend | 613 | < 5% |
| PostageApp | 304 | < 5% |
| Upaknee | 40 | < 5% |
| ExpressPigeon | 29 | < 5% |
| MailerSend | 15 | < 5% |