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GNU Mailman vs Dada Mail: catalog facts
GNU Mailman	Dada Mail
Free Free software under the GNU General Public License, supported by donations.	Freemium The free version has list and subscriber limits; paid Pro subscriptions add unlimited…
Self-hosted	Web, Self-hosted
Web interface for subscribers and list owners Built-in archiving, digests and bounce processing	Supports newsletters and email discussion lists Tracks opens, clicks, unsubscribes, and bounces
Needs a mail server and some administration skill to deploy Mailman 3 is split into several components that must be installed together	The free version is limited to three lists and 100 subscribers per list Requires a server environment capable of running Perl
Self-hosted	Web application, Self-hosted
Open source	Open source
License: GPL-3.0	License: GPL-2.0
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 2, 2026	Official website Full listing and sources Checked October 8, 2026

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