Postmark is an alternative
to MailerSend
$15/mo (Basic) vs MailerSend Hobby at $7/mo — covering 62% of the 11 compared capabilities.
Same job. Compare the fees.
Comparison scenario
Every cheaper-than claim is tied to a defined scenario — never a bare list price.
1,000 emails/month, 1 seat, monthly billing · USD · prices as observed on official pricing pages.
Hobby plan at $7/mo, the cheapest paid plan.
Basic: 15 USD/monthly.
MailerSend costs $7/mo on the Hobby plan at 1,000 emails/month, 1 seat, monthly billing. Postmark costs $15/mo (Basic plan), which is not cheaper than MailerSend Hobby at $7/mo in this scenario.
Capability comparison
Postmark covers 62% of the 11 capabilities compared against MailerSend. ✓ native · ◐ via integration · ✗ not found.
| Capability | Postmark | MailerSend |
|---|---|---|
| Transactional email API | ✓ | ✓ |
| Email templates | ✓ | ✓ |
| A/B testing | ✗ | ✓ |
| Custom sending/tracking domain | ✓ | ✓ |
| SMTP & REST API | ✓ | ✓ |
| Inbound email parsing | ✓ | ✓ |
| Email address validation | ✗ | ✓ |
| Deliverability SLA / support | ✗ | ✓ |
| Email templates | ✓ | ✓ |
| Event webhooks | ✓ | ✓ |
| Dedicated IP | ✓ | ✓ |
What you give up
Capabilities MailerSend has that Postmark lacks.
- A/B testing — Test variations of an email to see which performs better.Missing from Postmark.
- Email address validation — Validate an email address before sending to it.Missing from Postmark.
- Deliverability SLA / support — Get a guaranteed deliverability service-level agreement.Missing from Postmark.
Plans & pricing, side by side
Advertised prices in USD as observed on the official pricing pages — per-seat and transaction-fee plans are marked.
| Free | Free |
| Basic | $15/mo |
| Pro | $16.50/mo |
| Platform | $18/mo |
| High-volume / Enterprise | Contact sales |
| Free | Free |
| Hobby | $7/mo |
| Starter | $35/mo |
| Professional | $110/mo |
| Enterprise | Contact sales |
Frequently asked
What does Postmark lack compared with MailerSend?
A/B testing, Remove branding, Dedicated IP, Email address validation, Deliverability SLA / support — 5 of the 11 compared capabilities.
When were these prices checked?
MailerSend: 2026-10-26; Postmark: 2026-10-26 — on the official pricing pages.
Who switched
Anonymous: no account, no email, no IP stored. Reports are shown once a switch has 3 or more and never change ranking or order — alternatives are computed from prices and capabilities only.
Sources & freshness
- https://www.mailersend.com/pricing (official_pricing, checked 2026-10-26)
- Postmark data last verified 2026-10-26