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GNU Mailman vs mlmmj: catalog facts
GNU Mailman	mlmmj
Free Free software under the GNU General Public License, supported by donations.	Free Free and open source under the MIT licence.
Self-hosted	Self-hosted, Command line
Web interface for subscribers and list owners Built-in archiving, digests and bounce processing	Very low resource use with no daemons Works with Postfix, Exim, qmail and sendmail
Needs a mail server and some administration skill to deploy Mailman 3 is split into several components that must be installed together	Deliberately minimal feature set Configured from the command line and files rather than a full web admin
Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	License: MIT
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 2, 2026

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