Looking for a Mailcow alternative that runs on single-node k3s
A user is asking for alternatives to Mailcow — an all-in-one mail server package combining Postfix (sending), Dovecot (receiving), and rspamd (spam filtering). The key requirement is that the replacement must run on a single-node k3s setup. Mailcow is built around , which makes it awkward to integrate with k3s, a lightweight version of .
Key points
- Mailcow bundles Postfix, Dovecot, and rspamd into one mail server package
- The user needs an alternative that works on a single-node k3s (lightweight ) setup
- Mailcow is -based, making k3s difficult
- The post is a question only — check the Reddit comment thread for actual alternative recommendations
- email requires ongoing work: spam filtering, management, and tuning