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Sympa

Free#27 of 30 in Newsletter Platforms

Sympa: A focused self-hosted platform for subscriptions, moderation, archives, and list administration. Ranked #27 of 30 in Newsletter Platforms by our editors (6.1/10); pricing: Open source; best for organizations needing governed self-hosted mailing lists.

6.1/10Editor score

Visit Sympa

Sympa6.1 Visit Sympa

At a glance

Editor score
6.1 / 10
Pricing
Open source
Best for
Organizations needing governed self-hosted mailing lists
Paid from
Free
Facts checked
20 Sep 2026

Where it wins
- Subscription, unsubscribe, moderation, and archive management
- Dynamic membership from LDAP, SQL, files, and other Sympa lists
- SOAP/HTTP API with DKIM and ARC authentication support
Where it doesn't
- Requires self-hosted deployment and infrastructure management
- Focused on mailing-list administration rather than newsletter creation
- Does not include AI features or paid newsletter subscriptions

Our verdict on Sympa

Sympa is open-source mailing list management software for organizations operating their own email-list infrastructure. It supports subscriber subscription and unsubscribe management, email-based list commands, message distribution, moderation, and online archives through a web administration interface. Organizations can also provide shared document spaces, configurable authorization scenarios, and dynamic membership from files, LDAP, SQL databases, or other Sympa lists. Its GPL-2.0 licensing and self-hosted model suit teams that want control over list operations and deployment.

The platform’s strongest fit is governed communication rather than campaign publishing. Administrators can moderate messages, define authorization scenarios, manage archives, and support shared documents across lists. Integrations include LDAP, SQL databases, CSV files, remote files over HTTPS, remote Sympa lists, and SOAP/HTTP. The SOAP/HTTP API supports list and subscriber operations, while email-based commands provide an additional management path. DKIM and ARC authentication support add relevant controls for email handling and message authentication.

Sympa should appeal to organizations with the technical capacity to operate their own mailing-list infrastructure and a need for structured administration across subscription-based groups. It is less suited to teams seeking a hosted newsletter service centered on content creation, campaign analytics, or monetization. The product’s narrow focus is also its clearest trade-off: it provides depth in list governance, membership rules, moderation, archives, and APIs rather than a broader newsletter-marketing workflow. Choose Sympa when operational control and configurable list management matter most; choose another platform when hosted delivery or newsletter publishing is the priority.

Your product? Our editors can test Sympa in depth and publish a review, labelled as paid · from $149/mo →

Sympa pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on sympa.community

Sympa fact sheet

Free plan	Not verified
Paid from	Free
Free subscriber limit	Not verified
Newsletter website	Yes
Custom domain	Yes
Paid subscriptions	Not verified
Email send model	Not verified
Sponsor marketplace	Not verified
API access	Yes
Deployment	Self-hosted
Platforms	Web
Support	Community, Docs
Built for	Mid-market, Enterprise (editorial estimate)
Integrations	6 integrations: LDAP, SQL databases, CSV files, remote files over HTTPS, remote Sympa lists, SOAP/HTTP
Pricing	Open source
Website	sympa.community
Facts checked	20 Sep 2026

Sympa integrations

Sympa lists 6 integrations on its own site.

LDAP
SQL databases
CSV files
remote files over HTTPS
remote Sympa lists
SOAP/HTTP

Alternatives to Sympa

See all Sympa alternatives →

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Featured on iTechGuides

Sympa is listed in our Newsletter Platforms directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update