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Knowledge Base

Find guides, tutorials, and documentation to help you get the most out of CubePath services.

Showing 6 of 6 guides

Email Advanced

How to Install Mailcow Mail Server on Ubuntu 24.04

Deploy mailcow: dockerized on Ubuntu 24.04, publish MX, SPF, DKIM and DMARC records, create your first mailbox, and schedule backups with the official script.

April 4, 2026Support Team
Email Advanced

How to Set Up a Mail Server with Mail-in-a-Box

Install Mail-in-a-Box on a fresh Ubuntu 22.04 server, configure glue records and DNS, pass the status checks, and use webmail, contacts, calendars and backups.

April 4, 2026Support Team
Email Advanced

How to Install Stalwart Mail Server on Ubuntu 24.04

Install Stalwart mail server on Ubuntu 24.04, secure the web admin, get a Let's Encrypt certificate, publish SPF, DKIM and DMARC, and test SMTP, IMAP and JMAP.

April 4, 2026Support Team
Email Advanced

How to Configure Rspamd with Postfix on Ubuntu 24.04

Add Rspamd to Postfix on Ubuntu 24.04: connect it as a milter, keep Bayes data in Redis, sign mail with DKIM, tune greylisting and actions, add custom rules.

April 4, 2026Support Team
Email Advanced

How to Improve Email Deliverability on a Postfix Server

Get mail from your own Postfix server into the inbox: set PTR and HELO, publish SPF, sign with DKIM, enforce DMARC, check blocklists and warm up a new IP.

April 4, 2026Support Team
Email Advanced

How to Install the Maddy Mail Server on Ubuntu 24.04

Install Maddy, a single-binary mail server with SMTP, IMAP and DKIM built in, on Ubuntu 24.04 with a Let's Encrypt certificate, DNS records and a first mailbox.

April 4, 2026Support Team