Choose Mailjet if you need
- Integration with WordPress, WooCommerce or HubSpot. We haven't found them on Postmark's website.
- SOC 2 or ISO 27001. We haven't found them on Postmark's website.
At a glance
- Both have a free plan.
- Postmark offers a free trial (length not stated). We haven't confirmed one for Mailjet.
- Mailjet's lowest paid plan is Starter at $9 per month for 8,000 emails, as of October 23, 2026.
- Postmark's lowest paid plan is Basic at $15.00 per month for 10,000 emails, as of October 20, 2026.
- Both are available on API.
- Only Postmark lists SMTP.
- They list no integrations in common.
- Both list GDPR.
- Only Mailjet lists SOC 2 and ISO 27001.
- Both have a public API.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Postmark if you need
- SMTP. We haven't found it on Mailjet's website.
- Integration with Zapier, Supabase or Stripe. We haven't found them on Mailjet's website.
Mailjet
Nobody has reviewed Mailjet yet. Its rating shows once it has 3 reviews.
Review Mailjet
Postmark
Nobody has reviewed Postmark yet. Its rating shows once it has 3 reviews.
Review PostmarkThe facts
- What it does
- MailjetEmail marketing software that's built for devs and loved by marketers
- PostmarkThe email delivery service that people actually like
- Free plan
- MailjetYes
- PostmarkYes
- Pricing
- MailjetNot confirmed
- PostmarkNot confirmed
- Paid plans from
- Mailjet
What they share
From the platforms and integrations each website lists.
Platforms
Both
- API
Only MailjetNothing else listed
Only Postmark
- SMTP
Integrations
BothNone in common
Only Mailjet
- WordPress
- WooCommerce
- HubSpot
- Shopify
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Mailjet and Postmark yet.
Used either of them?
Your review makes this comparison better for the next person. Review Mailjet or review Postmark.