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SPECIFICTION
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Mailjet vs OpenEMM

Mailjet

mailjet.com

OpenEMM

agnitas.de

Side by side

FigureMailjetOpenEMM
Price from$9/moFree
Free planYesYes
Free trial—Yes
Open source—Yes
WebYesYes
Windows—Yes
macOS—Yes
Linux—Yes
APIYesYes
Self-hosted—Yes
Plans published102
Spec score · Email marketing tools9.1 (#9)8.5 (#48)
Spec score · Email Marketing Software8.7 (#30)8.5 (#50)
A/B testingYesYes
Email automationYesYes
Founded2010LinkedIn states that Martin Aschoff founded AGNITAS in 1999.
Free planYesYes
HeadquartersParis, FranceLinkedIn lists AGNITAS AG's headquarters in Munich, Germany.
IntegrationsFeatured integrations include WordPress, Sinch Engage, WooCommerce, HubSpot, Shopify, and Google Cloud.The documentation identifies Make and n8n connectors, while the platform also supports data exchange through web services, HTTP endpoints, and imports or exports.
Landing pagesYesYes
Audience segmentationYesUsers can define target groups using recipient profiles, status, and behavior.
SupportMailjet provides a dedicated support team for campaign, sending, and deliverability issues, with priority support on Premium plans.Free help includes community forums, tutorials, manuals, and online help; AGNITAS also offers paid installation, configuration, and operational support.

Plans

Mailjet

  • FreeFree
  • Starter$9 a month
  • Essential 15kPrice not published
  • Essential 50kPrice not published
  • Premium 15kPrice not published
  • Premium 50kPrice not published
  • Premium 100kPrice not published
  • Essential$19 a month
  • Premium$29 a month
  • CustomPriced on request

Mailjet pricing →

OpenEMM

  • OpenEMMFree
  • OpenEMMFree

OpenEMM pricing →

In their own words

Mailjet

Mailjet is an email marketing and API platform for creating, sending, and automating marketing and transactional messages. Marketing teams can use its drag-and-drop editor, forms, landing pages, segmentation, preference centers, personalization, A/B testing, and analytics. Automation workflows can send messages based on customer actions. Developers have a RESTful Email API, SMTP Relay, Parse API, Event API, SDKs, webhooks, and an MCP Server. Team features include shared workspaces, roles, approval flows, and collaboration. Mailjet lists more than 100 ready-to-use integrations and supports custom connections through its API. The free plan includes 6,000 emails per month, capped at 200 per day, and 1,000 contacts; signup does not require a credit card. Starter costs $9 a month and includes 8,000 emails monthly with no daily sending limit. Essential costs $19 a month, and Premium costs $29 a month. Unused email credits expire at the billing-cycle end, and additional sends after credits run out are billed.

Visit mailjet.com

OpenEMM

OpenEMM is web-based open-source software for email marketing and automation, including newsletters and transactional or date-driven messages. Its tools include a campaign manager, calendar reminders and comments, responsive templates, recipient status history, and profile enrichment based on recipient reactions. It also provides bounce management, real-time opener and click statistics, behavior-based target groups, web forms, a multiqueue mail backend, web services, and a plugin interface. Integrations include Make and n8n, alongside HTTP request endpoints and import and export options. OpenEMM is self-hosted, with operation on a user's premises, through a hosting provider, or in a data center. The download page lists Linux servers and Windows or Mac servers via VirtualBox. From OpenEMM 2019 Spring, releases use the GNU AGPLv3 license. The plan costs nothing, with no limits on recipients, mailing lists, or dispatches. A three-day demo is available, but mailings cannot be sent from that account.

Visit agnitas.de