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@@ -292,6 +292,7 @@ _Mailing lists servers and mass mailing software - one message to many recipient * [Mautic](https://www.mautic.org/) - Mautic is marketing automation software (email, social & more). ([Source Code](https://github.com/mautic/mautic)) `GPLv3` `PHP` * [phpList](https://phplist.org) - Newsletter and email marketing with advanced management of subscribers, bounces, and plugins. ([Source Code](https://github.com/phpList/)) `AGPLv3` `PHP` * [Sympa](https://www.sympa.org/) - A mailing list manager. `GPLv2` `Perl` + * [Schleuder](https://schleuder.nadir.org/) - A gpg-enabled mailing list manager with resending-capabilities. `GPLv3` `Ruby` #### Webmail clients |