Documentation-based comparison
MailerSend versus Mailjet
Compare documented scope and conditions. Unknowns remain unknown; different billing units do not establish a cost winner.
What the evidence answers
A reading of reviewed official documentation for MailerSend and Mailjet. It is not a hands-on test, a ranking or a recommendation of one product.
Price
- MailerSend From $7/mo
- Free: no subscription charge
- Hobby: $7.00 monthly
- Hobby: $75.60 annual ($6.30/mo equivalent)
- Starter: $35.00 monthly
- Starter: $378.00 annual ($31.50/mo equivalent)
- Professional: $110.00 monthly
- Mailjet From $9/mo
- Free: no subscription charge
- Starter: $9.00 monthly
- Essential: $19.00 monthly
- Premium: $29.00 monthly
- Custom: Vendor quotation required
Both list prices on the same basis. Compare what each plan includes; the lower amount alone does not make the better choice.
Documented for both
- Sending volume
- MailerSend Free: 500 emails per monthHobby: 5,000 emails per monthStarter: 50,000 emails per monthProfessional: 50,000 emails per month
- Mailjet Free: 6,000 emails per monthStarter: 8,000 emails per monthEssential: 15,000 emails per monthPremium: 15,000 emails per month
- Webhooks and events
- MailerSend Free: 1 webhookHobby: 1 webhookStarter: 50 webhooksProfessional: Unlimited, subject to the plan-limits policy
- Mailjet APIs, SMTP relay and webhooks on Free and paid plans.
- Dedicated IP
- MailerSend Dedicated IPs are only for Enterprise accounts sending more than 100,000 emails a week.
- Mailjet Premium: available on request from the 100,000-send tier.Custom: One dedicated IP, with the option to buy more
- Support
- MailerSend Free: LimitedHobby: Email supportStarter: Email and live chat supportProfessional: Priority email support, live chat and onboarding assistance
- Mailjet Phone and chat support start from the 50k plans.Free: Online support in the first month onlyStarter: Online supportPremium: Priority support
- Overage charges
- MailerSend Sending continues past the monthly quota and extra emails are billed per 1,000; the email count resets every 30 days.
- Mailjet You can keep sending after the plan's emails run out; extra emails are billed per 1,000, at a price the page text does not show.
Limits to check
- MailerSend Daily API requests are capped by plan: 100 on Free, 1,000 on Hobby, 100,000 on Starter and 500,000 on Professional.
- Mailjet Unused emails do not roll over; they expire at the end of each billing cycle.
Not verified yet
Every compared requirement has evidence for at least one.
Documented for one product only, shown in the table below: MailerSend: sender domains and log retention.
Not verified means our reviewed sources do not establish it. It does not mean a product lacks the capability or that it costs nothing.
Next steps
- Ask Mailjet about sender domains and log retention; our sources do not establish them yet.
| Requirement | MailerSend | Mailjet |
|---|---|---|
| Pricing | From $7/mo | From $9/mo |
| Who it is for | Email API and SMTP relay for sending email, from a free 500-email plan upward. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table | Email API, SMTP relay and webhooks, sold in plans that also cover marketing contacts and an email editor. Verified Oct 11, 2026 · Mailjet: official product and plan documentation |
| Coverage limits | Daily API requests are capped by plan: 100 on Free, 1,000 on Hobby, 100,000 on Starter and 500,000 on Professional. Table columns run Professional, Starter, Hobby, Free. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table | Unused emails do not roll over; they expire at the end of each billing cycle. Verified Oct 11, 2026 · Mailjet: official product and plan documentation |
| Sending volume |
|
|
| Sender domains | An extra domain space costs USD 4.00; the billing period is not stated. Available on Starter, Professional and Enterprise. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table
| Not verified |
| Log retention | Searchable activity data can be extended up to 365 days, from USD 5.00. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table
| Not verified |
| Webhooks and events |
| APIs, SMTP relay and webhooks on Free and paid plans. Verified Oct 11, 2026 · Mailjet: official product and plan documentation |
| Dedicated IP | Dedicated IPs are only for Enterprise accounts sending more than 100,000 emails a week. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table | Premium: available on request from the 100,000-send tier. Verified Oct 11, 2026 · Mailjet: official product and plan documentation
|
| Support |
| Phone and chat support start from the 50k plans. The page does not say which plan names qualify. Verified Oct 11, 2026 · Mailjet: official product and plan documentation
|
| Overage charges | Sending continues past the monthly quota and extra emails are billed per 1,000; the email count resets every 30 days. Verified Oct 11, 2026 · MailerSend: official product and plan documentation | You can keep sending after the plan's emails run out; extra emails are billed per 1,000, at a price the page text does not show. Verified Oct 11, 2026 · Mailjet: official product and plan documentation |
| Coverage note | At the volume shown on the plan card. | No daily sending limit. |
