Documentation-based comparison
Mailjet versus SMTP2GO
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 Mailjet and SMTP2GO. It is not a hands-on test, a ranking or a recommendation of one product.
Price
- Mailjet From $9/mo
- Free: no subscription charge
- Starter: $9.00 monthly
- Essential: $19.00 monthly
- Premium: $29.00 monthly
- Custom: Vendor quotation required
- SMTP2GO From $15/mo
- Free: no subscription charge
- Starter: $15.00 monthly
- Starter: $150.00 annual ($12.50/mo equivalent)
- Professional: $75.00 monthly
- Professional: $750.00 annual ($62.50/mo equivalent)
- Premier: 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
- Mailjet Free: 6,000 emails per monthStarter: 8,000 emails per monthEssential: 15,000 emails per monthPremium: 15,000 emails per month
- SMTP2GO Free: 1,000 emails per monthStarter: 10,000 emails per monthProfessional: 100,000 emails per monthPremier: More than 3,000,000 emails a month
- Dedicated IP
- Mailjet Premium: available on request from the 100,000-send tier.Custom: One dedicated IP, with the option to buy more
- SMTP2GO Professional: Dedicated IP address included
- Support
- Mailjet Phone and chat support start from the 50k plans.Free: Online support in the first month onlyStarter: Online supportPremium: Priority support
- SMTP2GO Starter: ticket, chat and phone support.Free: Ticket support; toll-free phone and live chat for the first 14 days onlyProfessional: Ticket, chat and phone support
- Overage charges
- 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.
- SMTP2GO Free: Extra emails are not permitted on Free.
Limits to check
- Mailjet Unused emails do not roll over; they expire at the end of each billing cycle.
- SMTP2GO The free plan is limited to 200 emails a day and does not allow extra emails.
Not verified yet
Every compared requirement has evidence for at least one.
Documented for one product only, shown in the table below: Mailjet: webhooks and events; SMTP2GO: 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.
- Ask SMTP2GO about webhooks and events; our sources do not establish it yet.
| Requirement | Mailjet | SMTP2GO |
|---|---|---|
| Pricing | From $9/mo | From $15/mo |
| Who it is for | 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 | Email delivery for transactional email from apps, everyday email from Outlook and marketing email with an unsubscribe link. Verified Oct 11, 2026 · SMTP2GO homepage |
| Coverage limits | 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 | The free plan is limited to 200 emails a day and does not allow extra emails. Verified Oct 11, 2026 · SMTP2GO pricing, loaded monthly plan cards |
| Sending volume |
|
|
| Sender domains | Not verified | SPF and DKIM are set up automatically for your sending domains. Verified Oct 11, 2026 · SMTP2GO homepage |
| Log retention | 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 | Not verified |
| Dedicated IP | 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
| Starter: ticket, chat and phone support. Verified Oct 11, 2026 · SMTP2GO: official product and plan documentation
|
| Overage charges | 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 | No daily sending limit. | At the default volume shown. |