OK, mein Mailsystem braucht eine Überarbeitung. Aktuelle Kandidaten sind Mailcow und MailU. Hat jemand mit einem der Setups Erfahrung sammeln können? (bisher läuft ein Eigenbau auf Dovecot+Postfix+Roundcube Basis mit einem eigenen Webadmin)

@stephrdev mailcow is great for docker setups (everything else is less than perfect). Perhaps look at mailinabox ( The latter includes nextcloud.

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