Mailjet
Free plan ($0): 6,000 emails a month (200 a day), 1,000 contacts, API and SMTP relay.
Email
What you get
Email marketing and transactional sending with API, SMTP relay, webhooks, an email editor and forms, up to 6,000 emails a month.
How to get it
Choose Free on mailjet.com/pricing.
What it requires
No credit card required.
The catch
Sending is capped at 200 emails a day, emails carry the Mailjet logo, and segmentation and automations are paid.
From the official page · checked Oct 22, 2026