# Haraka vs Mailjet

**Leader by vioscaleAI score:** Mailjet

| Attribute | Haraka | Mailjet |
|---|---|---|
| **vioscaleAI score** | 48.5 (26% (low)) | 68.4 (63% (medium)) |
| activity.commits_last_30d | 8 | - |
| adoption.dependent_repos | 22 | - |
| adoption.github_stars | 5,615 | - |
| content.faq | `[{"answer":"A free, open-source SMTP server written in Node.js that efficiently handles thousands of concurrent email connections and allows developers to extend functionality through a modular plugin system written in JavaScript. It is indexed under Email Delivery Infrastructure.","source":"https://haraka.github.io","question":"What is Haraka?","confidence":0.6},{"answer":"Haraka is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://haraka.github.io","question":"Is Haraka free to use?","confidence":0.6},{"answer":"Haraka supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://haraka.github.io","question":"What platforms does Haraka support?","confidence":0.6},{"answer":"Yes. Haraka can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://haraka.github.io","question":"Can Haraka be self-hosted?","confidence":0.6},{"answer":"Yes. Haraka is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/haraka/Haraka","question":"Is Haraka open source?","confidence":0.95}]` | `[{"answer":"A cloud-based service for creating, sending, and tracking marketing and transactional emails via REST API or SMTP relay, with compliance features including GDPR support and 99.99% uptime on EU-based infrastructure. It is indexed under Email Delivery Infrastructure.","source":"https://www.mailjet.com","question":"What is Mailjet?","confidence":0.6},{"answer":"Mailjet offers a free tier, so you can start without paying. Paid plans start at $9 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.mailjet.com/pricing/","question":"Is Mailjet free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Mailjet. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.mailjet.com/pricing/","question":"What platforms does Mailjet support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Mailjet, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.mailjet.com","question":"Can Mailjet be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and GDPR for Mailjet. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Mailjet not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.mailjet.com/fr/a-propos/evenements/trustprivacy-night-2018/","question":"What security certifications does Mailjet have?","confidence":0.7},{"answer":"Mailjet is available worldwide. Its primary markets are the United States and the EU. The vendor is headquartered in France.","source":"https://www.mailjet.com/pricing/","question":"Where is Mailjet available?","confidence":0.75}]` |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true}` |
| description.long | A free, open-source SMTP server written in Node.js that efficiently handles thousands of concurrent email connections and allows developers to extend functionality through a modular plugin system written in JavaScript. | A cloud-based service for creating, sending, and tracking marketing and transactional emails via REST API or SMTP relay, with compliance features including GDPR support and 99.99% uptime on EU-based infrastructure. |
| features.capabilities | `{"smtp_relay":true,"deployment_model":"self_host","inbound_email_parsing":true}` | `{"iso_27001":true,"smtp_relay":true,"soc2_type_ii":true,"pricing_model":"freemium","deployment_model":"saas","rest_api_sending":true,"open_click_tracking":true,"dedicated_ip_available":true,"webhook_event_streaming":true,"marketing_template_builder":true}` |
| language.primary | JavaScript | - |
| license.spdx | MIT | - |
| market.availability | - | `{"primaryMarkets":["EU","US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"linux":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://haraka.github.io","retrievedAt":"2026-08-21T12:43:50.604Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free, 6,000 emails/month","features":["1,000 contacts","APIs, SMTP Relay, Webhooks","Advanced Email Editor","Basic Statistics","Form Builder"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"emails":"6000/month","contacts":"1000","daily_limit":"200/day"}},{"free":false,"name":"Starter","summary":"$9/month","features":["Everything from Free","2,000 contacts","Brand Kit","Anonymous Tracking","Online support","1 Subaccount"],"commitment":"monthly","components":[{"kind":"fixed","amount":9,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"emails":"8000/month","contacts":"2000"}},{"free":false,"name":"Essential","summary":"$17/month","features":["Everything from Starter","Segmentation","AI Assisted content creation","500 Email address validations","500 Email Previews/month","Custom unsubscribe page","No Mailjet logo"],"commitment":"monthly","components":[{"kind":"fixed","amount":17,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"email_previews":"500/month","email_validations":"500/month"}},{"free":false,"name":"Premium","summary":"$27/month","features":["Everything from Essential","Advanced Statistics","Automations","Landing Pages","2,000 Email Previews/month","Team & account management","Priority Support","Dedicated IP (for 100k+ plans on request)"],"commitment":"monthly","components":[{"kind":"fixed","amount":27,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"email_previews":"2000/month","email_validations":"2000/month"}},{"free":false,"name":"Custom","summary":"Custom pricing","features":["Everything from Premium","Dedicated Technical Account Manager","Dedicated IP Strategy","IP Performance Monitoring and Management","Blocklist Monitoring","Deliverability Reports","Activity logs","Custom users and permissions","Custom sub-accounts","Unlimited Contacts"],"contactSales":true}],"summary":"From $9/month with free tier; annual billing available","currency":"USD","freeTier":true,"sourceUrl":"https://www.mailjet.com/pricing/","retrievedAt":"2026-08-25T12:09:50.397Z","startingPrice":{"amount":9,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| pricing.starting_price | - | `{"amount":9,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 38 | - |
| release.history | `[{"url":"https://github.com/haraka/Haraka/releases/tag/v3.3.4","date":"2026-09-05T07:18:16Z","type":"stable","version":"v3.3.4"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.3.3","date":"2026-08-04T20:10:53Z","type":"stable","version":"v3.3.3"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.3.2","date":"2026-07-21T04:50:50Z","type":"stable","version":"v3.3.2"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.3.1","date":"2026-06-12T22:48:11Z","type":"stable","version":"v3.3.1"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.2.1","date":"2026-05-25T14:51:46Z","type":"stable","version":"v3.2.1"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.2.0","date":"2026-05-24T20:49:44Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.7","date":"2026-05-20T05:28:41Z","type":"stable","version":"v3.1.7"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.6","date":"2026-05-15T16:35:46Z","type":"stable","version":"v3.1.6"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.5","date":"2026-04-02T16:13:38Z","type":"stable","version":"v3.1.5"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.4","date":"2026-03-30T20:33:23Z","type":"stable","version":"v3.1.4"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.3","date":"2026-02-20T23:06:24Z","type":"stable","version":"v3.1.3"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.2","date":"2026-01-10T00:47:23Z","type":"stable","version":"v3.1.2"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.1","date":"2025-05-19T20:16:54Z","type":"stable","version":"v3.1.1"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.1.0","date":"2025-03-28T03:29:34Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.0.5","date":"2024-10-01T21:02:42Z","type":"stable","version":"v3.0.5"},{"url":"https://github.com/haraka/Haraka/releases/tag/3.0.4","date":"2024-08-22T00:12:38Z","type":"stable","version":"3.0.4"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.0.3","date":"2024-02-08T06:53:10Z","type":"stable","version":"v3.0.3"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.0.2","date":"2023-06-16T21:10:53Z","type":"stable","version":"v3.0.2"},{"url":"https://github.com/haraka/Haraka/releases/tag/v3.0.1","date":"2023-01-19T22:59:23Z","type":"stable","version":"v3.0.1"},{"url":"https://github.com/haraka/Haraka/releases/tag/3.0.0","date":"2023-01-06T18:09:52Z","type":"stable","version":"3.0.0"}]` | - |
| reliability.sla_pct | - | 99.99 |
| security.certifications | - | `[{"name":"SOC 2","status":"active"},{"name":"ISO 27001","status":"active"}]` |
| security.gdpr | - | yes |
| security.iso27001 | - | yes |
| security.scorecard | 6.7 | - |
| security.soc2 | - | yes |
| security.trust_center | - | https://www.mailjet.com/fr/a-propos/evenements/trustprivacy-night-2018/ |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=Haraka&per_page=100","last_12m":1,"max_severity":"CRITICAL"}` | - |

## Capabilities (Email Delivery Infrastructure)

| Capability | Haraka | Mailjet |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Self host | Saas |
| Rest API sending | - | ✓ |
| Smtp relay | ✓ | ✓ |
| Inbound email parsing | ✓ | - |
| Dedicated ip available | - | ✓ |
| Bounce complaint handling | - | - |
| Open click tracking | - | ✓ |
| Marketing template builder | - | ✓ |
| Webhook event streaming | - | ✓ |
| HIPAA compliant | - | - |
| SOC2 type ii | - | ✓ |
| ISO 27001 | - | ✓ |
| Pricing model | - | Freemium |

*Source: vioscaleAI. Generated 2026-10-16T20:59:29.934Z. "-" = undocumented, not absent.*