| Brand | Marketing | Other ESPs | Setup | Obs | Last seen |
|---|---|---|---|---|---|
| HubSpot 50 | SendGrid 39 | 100 | 89 | 2026-06-26 | |
| Seguno 828 | SparkPost 92 Shopify Messaging 16 Intercom 12 Amazon SES 11 Mailgun 1 | 100 | 960 | 2026-06-26 | |
| Kit 133 | Mailtrap 36 Brevo 3 Mailchimp 2 | 80 | 174 | 2026-06-30 | |
| Brevo 470 | Postmark 31 CleverReach 1 | 90 | 502 | 2026-06-29 | |
| Beehiiv 166 | — | 95 | 166 | 2026-06-30 | |
| — | Amazon SES 54 | 95 | 54 | 2026-06-29 | |
| Kit 85 | — | 85 | 85 | 2026-06-28 | |
| Substack 58 | — | 85 | 58 | 2026-06-29 |
Email Detective — ESP Tracker
by EmailTooltester · crowdsourced from Email Detective users
8brands shown
127ESPs detected
118,131observations
545active users (30d)