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Dada Mail vs GNU Mailman: catalog facts
Dada Mail	GNU Mailman
Freemium The free version has list and subscriber limits; paid Pro subscriptions add unlimited…	Free Free software under the GNU General Public License, supported by donations.
Web, Self-hosted	Self-hosted
Supports newsletters and email discussion lists Tracks opens, clicks, unsubscribes, and bounces	Web interface for subscribers and list owners Built-in archiving, digests and bounce processing
The free version is limited to three lists and 100 subscribers per list Requires a server environment capable of running Perl	Needs a mail server and some administration skill to deploy Mailman 3 is split into several components that must be installed together
Web application, Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.