Head-to-head · SMTP
Mailjet vs Postmark
Postmark is cheaper at lower volume; Mailjet becomes the better value from around 50,000 emails/month up. Costs are the base sending price; verified July 2026.
MailjetA balanced sender with a solid free tier and collaborative email tools.
PostmarkPremium transactional deliverability and speed — priciest, but trusted for critical mail.
| Emails / month | Mailjet | Postmark | Cheaper |
|---|---|---|---|
| 10k | $17/mo | $15/mo | Postmark |
| 50k | $35/mo | $87/mo | Mailjet |
| 100k | $95/mo | $177/mo | Mailjet |
| 250k | $175/mo | $447/mo | Mailjet |
| 500k | $350/mo | $897/mo | Mailjet |
| 1M | $600/mo | $1,797/mo | Mailjet |
Exact switch points (emails/month)
- 1–6,000 → Mailjet
- 6,001–10,000 → Postmark
- 10,001+ → Mailjet
Computed from tier boundaries, not sampled — see all cost cliffs.